GB2597637A

GB2597637A - Sanitiser composition

Info

Publication number: GB2597637A
Application number: GB2008282.2A
Authority: GB
Inventors: Cripps Lisa
Original assignee: Surfachem Ltd
Current assignee: Surfachem Ltd
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2022-02-09
Also published as: GB202008282D0

Abstract

A sanitiser composition comprising: (≥10 %) water; an (≥45 %) alcohol; and (≥0.1 %) a compound according to formula I, wherein R is a C1-10 aliphatic group. An exemplified compound is isopropylideneglycerol (solketal). The alcohol may be a short chain aliphatic alcohol, e.g. methanol, ethanol, propanol, isopropyl alcohol, butanol, pentanol, and/or hexanol. R may be branched and/or a C1-7 aliphatic group. The oxygen atoms may be attached to the same carbon atom, which is preferably a secondary carbon atom, most preferably the secondary carbon atom of an isopropyl group. The composition may also comprise: ≥0.01 % rheology modifier, e.g. (hetero)aliphatic (alk)acyrlate (co)polymers, polyethylene, acrylic (co)polymer, polyolefin, butylated PVP, polyvinylmethyl ether, cellulose or a derivative, and/or copolymers of poly(vinylpyrollidone) with decane, hexadecane, or eicosane; ≥0.05 % humectant, e.g. glycerine, hyaluronic acid, pyroglutamic acid, lactic acid, a lactate, a glycol, a polyol, and/or a glycosaminoglycan; and a pH modifier (pH ≥7.3). The compound of formula I may be a skin protection agent. Also disclosed in a sanitiser device comprising the composition within a dispenser. Also disclosed is a method of producing a sanitiser composition comprising contacting water, and alcohol, and the compound of formula I to form a sanitiser composition.

Description

SANITISER COMPOSITION

FIELD

[1] The present invention relates to a sanitiser composition. More specifically, the present invention relates to a hand sanitiser composition having improved skin protection and feel.

BACKGROUND

[2] Washing hands with soap and water is a common effective method for removing infectious agents. However, often it is difficult to do so under certain circumstances, such as when travelling, due to the absence of running water and drying towels.

[3] Hand sanifisers are intended to allow people to sanitise their hands without requiring running water or drying towels. Such sanitisers often contain a high level of alcohol. While a high level of alcohol is often effective against the infectious agent, the use of alcohol at high levels can lead to drying of the hands, often resulting in chapped, and cracked skin.

[4] Attempts to overcome these problems have led to hand sanifisers that can be unstable and can separate over extended periods of time. They can also lead to the formation of oily residues on the skin, leaving a poor skin feel.

[5] Therefore, there is a requirement for an improved hand sanitiser. It is therefore an object of aspects of the present invention to address one or more of the above-mentioned, or other, problems.

SUMMARY OF THE INVENTION

[6] According to a first aspect of the present invention there is provided a sanitiser composition comprising water, an alcohol, and a compound according to formula I:

OH (I)

wherein R is selected from a C1-10 aliphaticgroup.

[07] According to a second aspect of the present invention there is provided a method of producing a sanitiser composition comprising the steps of: (a) contacting water, an alcohol and a compound according to formula Ito form a sanitiser composition; (I) wherein R is selected from a C1-10 aliphatic group.

[08] According to a third aspect of the present invention, there is provided a sanitiser device, comprising a sanitiser composition arranged within a dispenser; wherein the composition comprises water, an alcohol, and a compound according to formula (I); /0

OH

OH (I)

wherein R is selected from a C1-10 aliphatic group.

DETAILED DESCRIPTION OF THE INVENTION

[9] Advantageously, with the present invention it has been found that the use of a compound according to formula (I) results in a sanitiser composition having improved skin protection and feel, while still providing effective sanitisation. The sanitiser composition of the present invention provides improved moisturising of the skin and protection compared to other hand sanitisers. In addition, the composition is surprisingly simple and easy to make.

[10] Furthermore, the sanitiser composition has surprisingly been found to have good storage stability. The sanitiser composition may remain substantially stable for at least about 6 months at room temperature, typically for at least about 1 year at room temperature.

[11] The composition comprises water. The composition may comprise water in an amount of 10% by weight of the composition, such as a.15 wt% or a.20 wt%.

[12] The composition may comprise water in an amount of 50% by weight of the composition, such as wt% or 40 wt%.

[13] The composition may comprise water in an amount of from 10 to 50% by weight of the composition, such as from 15 to 45 wt% or from 20 to 40 wt%.

[14] The composition comprises an alcohol. The use of an alcohol in the composition provides the composition with effective antimicrobial action against infectious agents, including bacteria, fungi and a variety of viruses.

[15] The alcohol may be a short chain aliphatic alcohol, suitably alkyl alcohol, such as a Ci-io alcohol, or a C1-5 alcohol, for example a C1-3 alcohol.

[16] The alcohol may be selected from methanol, ethanol, propanol, isopropyl alcohol, butanol, t-butanol, 2-butanol, pentanol and/or hexanol. The alcohol may be selected from ethanol and/or isopropyl alcohol. Suitably, the alcohol comprises ethanol The alcohol is preferably denatured.

[17] The composition may comprise alcohol in an amount of 45°/0 by weight of the composition, such as 50 wt% or a.55 wt%.

[18] The composition may comprise alcohol in an amount of 5% by weight of the composition, such as s80 wt% or s75 wt%.

[19] The composition may comprise alcohol in an amount of from 45 to 85% by weight of the composition, such as from 50 to 80 wt% or from 55 to 75 wt%.

[20] The composition comprises a compound according to formula (I):

OH (I)

wherein R is selected from a C1-10 aliphaticgroup.

[21] It has been found that the use of a compound according to formula (I) reduces the adverse skin effects that can be caused by using a high level of alcohol in a hand sanitiser and provides improved skin feel.

[22] In the compound according to formula (I), R may be selected from a C1-7 aliphatic group, such as a C1-5 aliphatic group or a C1-3 aliphatic group. R may be an alkyl group.

[23] In the compound according to formula (I), R may be branched. Suitably the oxygen atoms that are attached to the R group are attached to the same carbon atom in the R group. The carbon atom to which the oxygen atoms are attached may be a secondary carbon atom.

[24] In the compound according to formula (I), R may be isopropyl, wherein the oxygen atoms are attached to the secondary carbon atom of the isopropyl group.

[25] The composition may comprise a compound according to formula (I) in an amount of 0.1% by weight of the composition, such as L.0.5 wt% or (:).8 wt%.

[26] The composition may comprise a compound according to formula (I) in an amount of s10% by weight of the composition, such as s5 wt% or s3 wt%.

[27] The composition may comprise a compound according to formula (I) in an amount of from 0.1 to 10% by weight of the composition, such as from 0.5 to 5 wt% or from 0.8 to 3 wt%.

[28] The composition may comprise a rheology modifier. Suitably a rheology modifier may be used to increase the viscosity of the composition.

[29] The theology modifier may be a (co)polymer, such as a (co)polymer selected from polyethylene; acrylic (co)polymer; polyolefin, poly(vinylpyrrolidone) (PVP) and decene copolymer; PVP and hexadecene copolymer; PVP and eicosene copolymer; butylated PVP; polyvinylmethyl ether (PVM), maleic anhydride or maleic acid, and decadiene copolymer; vinyl acetate and ethylene copolymers; and/or a cellulose, such as hydroxyethylcellulose, hydroxypropylcellulose, hydroxypropyl methylcellulose.

[30] The rheology modifier may comprise an acrylic (co)polymer, for example an (hetero)aliphatic (alk)acrylate (co)polymer. The rheology modifier may comprise a mixture of acrylic (co)polymers having different chain lengths, such as a mixture of different (hetero)aliphatic (alk)acrylate (co)polymers.

[31] The rheology modifier may be a, or a mixture of, (hetero)C1-40 aliphatic (Co5)acrylate (co)polymer; such as a, or a mixture of, (hetero)C5-36 aliphatic (Co-4)acrylate (co)polymer; such as a, or a mixture of, (hetero)C10-30 aliphatic (Co-l)acrylate (co)polymer.

[32] The acrylic (co)polymer, or mixture thereof, may be crosslinked.

[33] Advantageously, it has been found that the use of an acrylic (co)polymer rheology modifier having a mixture of chain lengths in the present invention results in a sanitising gel that has reduced dripping while maintaining effective evaporation of the composition form the hands.

[34] The composition may comprise a rheology modifier in an amount of a0.01% by weight of the composition, such as a0.1 wt% or a0.2 wt%.

[35] The composition may comprise a rheology modifier in an amount of 5°/0 by weight of the composition, such as wt% or wt%.

[36] The composition may comprise a rheology modifier in an amount of from 0.01 to 5% by weight of the composition, such as from 0.1 to 3 wt% or from 0.2 to 1 wt%.

[37] The composition may comprise a humectant. The use of a humectant in the composition of the present invention can lead to improved retention of essential oils in the skin.

[38] The humectants may be selected from glycerine or a derivative thereof; hyaluronic acid or a salt thereof; pyroglutamic acid or salt thereof; lactic acid; a lactate; a glycol; a polyol; and/or a glycosaminoglycan. Suitably, the humectant may comprise glycerine or a derivative thereof, preferably glycerine.

[39] The composition may comprise a humectant in an amount of a).051:Yo by weight of the composition, such as a0.1 wt% or a0.3 wt%.

[40] The composition may comprise a humectant in an amount of 10°/0 by weight of the composition, such as wt% or wt%.

[41] The composition may comprise a humectant in an amount of from 0.05 to 10% by weight of the composition, such as from 0.1 to 5 wt% or from 0.3 to 3 wt%.

[42] The composition may comprise a pH modifier. Suitably, the composition comprises a basic pH modifier. The pH modifier may be selected from alkali metal or alkaline earth metal silicates; alkali metal or alkaline earth metal hydroxides; ammonia; mono-, di-or tri-alkyl amines; and/or mono-, di-or tri-alkanolamines.

[43] The pH modifier may be a mono-, di-or tri-alkyl amine, such as monoethanolamine; triethylamine; isopropanolamine; diethanolamine; and/or triethanolamine. Suitably the pH modifier is a tri-alkyl amine, such as triethylamine.

[44] A suitable commercially available pH modifier includes Surfat-Tela Pure 90% aqueous, available from Surfachem.

[45] The composition may comprise a pH modifier in an amount of a0.001% by weight of the composition, such as a0.01 wt% or a0.02 wt%.

[46] The composition may comprise a pH modifier in an amount of <3.5% by weight of the composition, such as.s0.3 wt% or <3.1 wt%.

[47] The composition may comprise a pH modifier in an amount of from 0.001 to 0.5% by weight of the composition, such as from 0.01 to 0.3 wt% or from 0.02 to 0.1 wt%.

[48] The composition may have a pH of a.7, such as a.7.3 or a.7.5.

[49] The composition may have a pH of such as <3.8 or <3.7.

[50] The composition may have a pH of from 7 to 9, such as from 7.3 to 8.8 or from 7.5 to 8.7.

[51] The compound according to formula (I) may be considered to be a skin protection agent. The composition may comprise a combination of two or more different skin protection agents. The composition may comprise a first skin protection agent in the form of a compound according to formula (I) and a further skin protection agent. For the avoidance of doubt, the further skin protection agent may also function as one or more of the other components of the composition, for example as a humectant. The further skin protection agent may a glycerol or derivative thereof, suitably a glycerol or derivative thereof that is not according to formula (0. The further skin protection agent may be glycerol.

[52] The composition may comprise at least two skin protection agents comprising a compound according to formula (I) and a further skin protection agent in an amount of a).15% by weight of the composition, such as al.6 wt% or 1.1 wt%.

[53] The composition may comprise at least two skin protection agents comprising a compound according to formula (I) and a further skin protection agent in an amount of 20 % by weight of the composition, such as 0 wt% or wt%.

[54] The composition may comprise at least two skin protection agents comprising a compound according to formula (I) and a further skin protection agent in an amount of from 0.15 to 20% by weight of the composition, such as from 0.6 to 10 wt% or from 1.1 to 6 wt%.

[55] The composition may comprise: wt% water; wt% alcohol; and a3.5 wt% of a compound according to formula (I).

[56] The composition may comprise: a15 wt% water; a50 wt% alcohol; a0.5 wt% of a compound according to formula (0; and a0.1 wt% of a rheology modifier.

[57] The composition may comprise: a15 wt% water; a50 wt% alcohol; and a0.5 wt% of a compound according to formula (0; a0.1 wt% of a rheology modifier; and a0.1 wt% of a humectant and/or further skin protection agent.

[58] The composition may comprise: a15 wt% water; a50 wt% alcohol; and a0.5 wt% of a compound according to formula (0; a0.1 wt% of a rheology modifier; a0.1 wt% of a humectant and/or further skin protection agent; and a0.01 wt% of a pH modifier.

[59] The composition may be in a single phase.

[60] The composition may have a viscosity of 30,000 cps. The composition may have a viscosity of 50,000 cps. The composition may have a viscosity of from 30,000 to 50,000 cps. Viscosity as mentioned herein was measured using spindle 6 @ 1 RPM on a Brookfield DVI viscometer.

[61] The composition may have a specific gravity of a0.8, such as a0.85 or a0.88.

[62] The composition may have a specific gravity of <).98, such as a0.95 or a0.92.

[63] The composition may have a specific gravity of from 0.8 to 0.98, such as from 0.85 to 0.95 or from 0.88 to 0.92.

[64] Specific gravity as mentioned herein was measured using Metier Toledo @20°C.

[65] Suitably, the sanitiser composition is a gel.

[66] The sanitiser composition may be prepared by: (a) contacting water, an alcohol and a compound according to formula Ito form a sanitiser composition;

OH (I)

wherein R is selected from a Ci_io aliphatic group.

[67] The alcohol may be contacted with the water before the compound according to formula (I) is contacted with the water. Suitably, when the composition further comprises a rheology modifier, humectant, pH modifier, and/or further skin protection agent, one or more of these components are contacted with the water prior to the compound according to formula (0.

[68] When the composition comprises a rheology modifier, the rheology modifier may be contacted with the water prior to the addition of the alcohol and a compound according to formula (I), suitably to hydrate the Theology modifier in the water, suitably with stirring.

[69] The sanifiser composition of the present invention may be for topical application to the skin, such as a hand sanitiser composition.

[70] The sanitising composition of the present invention is primarily intended for use in bottle-type dispenser, such as a squeeze bottle dispenser or mechanical pump dispenser. The dispenser may be an automatic dispenser, such as a wall mountable automatic dispenser.

[71] The composition of the present invention may however find application in other areas of personal care products, such as by use with a substrate, such as an absorbent substrate, for example, a nappy or feminine hygiene product; or a wipe-type substrate, for example a wet wipe or cosmetic wipes.

[72] For the purpose of the present invention, an aliphatic group is a hydrocarbon moiety that may be straight chain (i.e. unbranched), branched, or cyclic and may be completely saturated, or contain one or more units of unsaturation, but which is not aromatic. The term "unsaturated" means a moiety that has one or more double and/or triple bonds. The term "aliphatic" is therefore intended to encompass alkyl, cycloalkyl, alkenyl cycloalkenyl, alkynyl or cycloalkenyl groups, and combinations thereof. The term "(hetero)aliphatic" encompasses both an aliphatic group and/or a heteroaliphatic group.

[73] An aliphatic group is optionally a C1_30 aliphatic group, that is, an aliphatic group with 1,2, 3, 4, 5, 6, 7, 8,9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29 or 30 carbon atoms. Optionally, an aliphatic group is a Ci.15 aliphatic, optionally a 01.12 aliphatic, optionally a C1_10 aliphatic, optionally a Ci_g aliphatic, such as a Ci.6aliphatic group. Suitable aliphatic groups include linear or branched, alkyl, alkenyl and alkynyl groups, and mixtures thereof such as (cycloalkyl)alkyl groups, (cycloalkenyl)alkyl groups and (cycloalkyl)alkenyl groups.

[74] The term "alkyl," as used herein, refers to saturated, straight-or branched-chain hydrocarbon radicals derived by removal of a single hydrogen atom from an aliphatic moiety. An alkyl group is optionally a "C1_20 alkyl group", that is an alkyl group that is a straight or branched chain with 1 to 20 carbons. The alkyl group therefore has 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19 or 20 carbon atoms. Optionally, an alkyl group is a C1_15alkyl, optionally a C1_12 alkyl, optionally a C1_10 alkyl, optionally a C1-5 alkyl, optionally a C1_6 alkyl group. Specifically, examples of "C1_20 alkyl group" include methyl group, ethyl group, n-propyl group, iso-propyl group, n-butyl group, iso-butyl group, sec-butyl group, tert-butyl group, sec-pentyl, iso-pentyl, n-pentyl group, neopentyl, n-hexyl group, sec-hexyl, n-heptyl group, n-octyl group, n-nonyl group, ndecyl group, n-undecyl group, n-dodecyl group, n-tridecyl group, n-tetradecyl group, npentadecyl group, n-hexadecyl group, n-heptadecyl group, n-octadecyl group, nnonadecyl group, n-eicosyl group, 1,1-dimethylpropyl group, 1,2-dimethylpropyl group, 2,2-dimethylpropyl group, 1-ethylpropyl group, n-hexyl group, 1-ethy1-2-methylpropyl group, 1,1,2-trimethylpropyl group, 1-ethylbutyl group, 1-methylbutyl group, 2-methylbutyl group, 1,1-dimethylbutyl group, 1,2-dimethylbutyl group, 2,2-dimethylbutyl group, 1,3-dimethylbutyl group, 2,3-dimethylbutyl group, 2-ethylbutyl group, 2-methylpentyl group, 3-methylpentyl group and the like.

[75] The term "alkenyl," as used herein, denotes a group derived from the removal of a single hydrogen atom from a straight-or branched-chain aliphatic moiety having at least one carbon-carbon double bond. The term "alkynyl," as used herein, refers to a group derived from the removal of a single hydrogen atom from a straight-or branched-chain aliphatic moiety having at least one carbon-carbon triple bond. Alkenyl and alkynyl groups are optionally "C2.20alkenyl" and "C2.20alkynyl", optionally "02_10 alkenyl" and "C2_15 alkynyl", optionally "02_12 alkenyl" and "02_12 alkynyl", optionally "C2_10 alkenyl" and "02_10 alkynyl", optionally "02.5 alkenyl" and "02-0 alkynyl", optionally "02.6 alkenyl" and "02-6 alkynyl" groups, respectively. Examples of alkenyl groups include ethenyl, propenyl, ally!, 1,3-butadienyl, butenyl, 1-methy1-2-buten-1-yl, allyl, 1,3-butadienyl and allenyl. Examples of alkynyl groups include ethynyl, 2-propynyl (propargyl) and 1-propynyl.

[76] The terms "cycloaliphatic", "carbocycle", or "carbocyclic" as used herein refer to a saturated or partially unsaturated cyclic aliphatic monocyclic or polycyclic (including fused, bridging and spiro-fused) ring system which has from 3 to 20 carbon atoms, that is an alicyclic group with 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19 or 20 carbon atoms. Optionally, an alicyclic group has from 3 to 15, optionally from 3 to 12, optionally from 3 to 10, optionally from 3 to 8 carbon atoms, optionally from 3 to 6 carbons atoms. The terms "cycloaliphafic", "carbocycle" or "carbocyclic" also include aliphatic rings that are fused to one or more aromatic or nonaromatic rings, such as tetrahydronaphthyl rings, where the point of attachment is on the aliphatic ring. A carbocyclic group may be polycyclic, e.g. bicyclic or tricyclic. It will be appreciated that the alicyclic group may comprise an alicyclic ring bearing one or more linking or non-linking alkyl substituents, such as -CH2-cyclohexyl. Specifically, examples of carbocycles include cyclopropane, cyclobutane, cyclopentane, cyclohexane, bicycle[2,2,1]heptane, norborene, phenyl, cyclohexene, naphthalene, spiro[4,5]decane, cycloheptane, adamantane and cyclooctane.

[77] A heteroaliphatic group (including heteroalkyl, heteroalkenyl and heteroalkynyl) is an aliphatic group as described above, which additionally contains one or more heteroatoms. Heteroaliphatic groups therefore optionally contain from 2 to 21 atoms, optionally from 2 to 16 atoms, optionally from 2 to 13 atoms, optionally from 2 to 11 atoms, optionally from 2 to 9 atoms, optionally from 2 to 7 atoms, wherein at least one atom is a carbon atom. Optional heteroatoms are selected from 0, S, N, P and Si. When heteroaliphatic groups have two or more heteroatoms, the heteroatoms may be the same or different. Heteroaliphatic groups may be substituted or unsubsfituted, branched or unbranched, cyclic or acyclic, and include saturated, unsaturated or partially unsaturated groups.

[78] An alicyclic group is a saturated or partially unsaturated cyclic aliphatic monocyclic or polycyclic (including fused, bridging and spiro-fused) ring system which has from 3 to 20 carbon atoms, that is an alicyclic group with 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19 or 20 carbon atoms. Optionally, an alicyclic group has from 3 to 15, optionally from 3 to 12, optionally from 3 to 10, optionally from 3 to 8 carbon atoms, optionally from 3 to 6 carbons atoms. The term "alicyclic" encompasses cycloalkyl, cycloalkenyl and cycloalkynyl groups. It will be appreciated that the alicyclic group may comprise an alicyclic ring bearing one or more linking or non-linking alkyl substituents, such as -CH2-cyclohexyl. Specifically, examples of the 03_20 cycloalkyl group include cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cycloheptyl, adamantyl and cyclooctyl.

[79] An aryl group or aryl ring is a monocyclic or polycyclic ring system having from 5 10 20 carbon atoms, wherein at least one ring in the system is aromatic and wherein each ring in the system contains three to twelve ring members. An aryl group is optionally a "C8.12 aryl group" and is an aryl group constituted by 6, 7, 8, 9, 10, 11 or 12 carbon atoms and includes condensed ring groups such as monocyclic ring group, or bicyclic ring group and the like. Specifically, examples of "C6.10 aryl group" include phenyl group, biphenyl group, indenyl group, anthracyl group, naphthyl group or azulenyl group and the like. It should be noted that condensed rings such as indan, benzofuran, phthalimide, phenanthridine and tetrahydro naphthalene are also included in the aryl group.

[80] As used herein, unless otherwise expressly specified, all numbers such as those expressing values, ranges, amounts or percentages may be read as if prefaced by the word "about", even if the term does not expressly appear. The term "about" when used herein means +/-10% of the stated value. Also, any numerical range recited herein is intended to include all sub-ranges subsumed therein. Singular encompasses plural and vice versa. For example, although reference is made herein to "an" alcohol, "a" compound according to formula (I), "a" rheology modifier, and the like, one or more of each of these and any other components can be used. As used herein, the term "polymer" refers to oligomers and both homopolymers and copolymers, and the prefix "poly" refers to two or more. Including, for example and like terms means including for example but not limited to. Additionally, although the present invention has been described in terms of "comprising", the processes, materials, and coating compositions detailed herein may also be described as "consisting essentially of' or "consisting of'.

[81] Where ranges are provided in relation to a genus, each range may also apply additionally and independently to any one or more of the listed species of that genus. For example, the invention may comprise from 45 to 85% of an alcohol, by total weight of the composition, which alcohol comprises ethanol in an amount such that the composition comprises from 45 to 85% of ethanol, by total weight of the composition. A further example may be wherein the invention comprises from 45 to 85% of an alcohol, by total weight of the composition, which alcohol comprises ethanol and isopropyl alcohol in an amount such that the composition comprises 45c/ci of ethanol, by total weight of the composition. Further, for example, the invention may comprise from 45 to 85% of an alcohol, by total weight of the composition, which alcohol may comprise ethanol and isopropyl alcohol in an amount such that the composition comprises 75°/0 of ethanol, by total weight of the composition. Further examples of the abovemenfioned include ranges provided for the compound according to formula (I), the rheology modifier, the humectant and the pH modifier, and all associated species, sub-genera and sub species.

[82] All of the features contained herein may be combined with any of the above aspects in any combination.

[83] For a better understanding of the invention, and to show how embodiments of the same may be carried into effect, reference will now be made, by way of example, to the following experimental data.

EXAMPLES

[84] Example sanitiser compositions according to the present invention were prepared using the components of Table 1 according to the following method.

[85] Component 1 was added into a beaker. Component 2 was then hydrated in the water until it all turned clear. Once hydrated the mixture was stirred slowly. Component 3 was then added with stirring. Component 5 was then slowly added with stirring. The pH was then adjusted 7.60-8.00 using component 6 and the mixture was thickened. Component 4 was then added with stirring.

Table 1 -Components and composition properties Component no. Example 1 Example 2 (% w/w/) (% w/w/) 1 Aqua 37.70 25.91 2 C10-30 alkyl acrylate crosspolymerl 0.25 0.25 3 Glycerine2 0.50 2.50 4 Isopropylideneglycerols 1.00 1.00 Alcohol denat. 60.00 70.00 6 Triethanolamine4 0.55 0.34 Total 100.00 100.00 Properties Appearance Clear Colourless Clear Colourless Gel Gel pH 8.00-8.50 7.65-8.70 Viscosity 9125 CpS 77,620CpS (394©6RPM) ([email protected]) Specific gravity 0.8961 0.8961 Carbopol Ultrez 20 available from Lubrizol Surfac G995V available from Surfachem Augeo Clean Multi available from Solvay Surfac Tela Pure 90% aqueous available from Surfachem [86] The above example sanitiser compositions were found to have improved skin protection and feel, while still providing effective sanitisation.

[87] Attention is directed to all papers and documents which are filed concurrently with or previous to this specification in connection with this application and which are open to public inspection with this specification, and the contents of all such papers and documents are incorporated herein by reference.

[88] All of the features disclosed in this specification (including any accompanying claims, abstract and drawings), and/or all of the steps of any method or process so disclosed, may be combined in any combination, except combinations where at least some of such features and/or steps are mutually exclusive.

[89] Each feature disclosed in this specification (including any accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise. Thus, unless expressly stated otherwise, each feature disclosed is one example only of a generic series of equivalent or similar features.

[90] The invention is not restricted to the details of the foregoing embodiment(s). The invention extends to any novel one, or any novel combination, of the features disclosed in this specification (including any accompanying claims, abstract and drawings), or to any novel one, or any novel combination, of the steps of any method or process so disclosed.

Claims

CLAIMSA sanitiser composition comprising water, an alcohol, and a compound according to formula I:OH (I)wherein R is selected from a C1-10 aliphatic group.
A composition according to claim 1, wherein the composition comprises water in an amount of a.10% by weight of the composition.
A composition according to claim 1 or 2, wherein the alcohol is a short chain aliphatic alcohol.
A composition according to any preceding claim, wherein the alcohol is selected from methanol, ethanol, propanol, isopropyl alcohol, butanol, t-butanol, 2-butanol, pentanol and/or hexanol.
A composition according to any preceding claim, wherein the composition comprises alcohol in an amount of45c)o by weight of the composition.
A composition according to any preceding claim, wherein in the compound according to formula (I), R is selected from a 01-7 aliphatic group.
A composition according to any preceding claim, wherein in the compound according to formula (I), R is branched.
A composition according to any preceding claim, wherein in the compound according to formula (I) the oxygen atoms that are attached to the R group are attached to the same carbon atom in the R group.
A composition according to any preceding claim, wherein in the compound according to formula (I) the carbon atom to which the oxygen atoms are attached is a secondary carbon atom.
10. A composition according to any preceding claim, wherein in the compound according to formula (I) R is isopropyl, wherein the oxygen atoms are attached to the secondary carbon atom of the isopropyl group.
11. A composition according to any preceding claim, wherein the composition comprises a compound according to formula (I) in an amount of0.1(:)ci by weight of the composition.
12. A composition according to any preceding claim, wherein the composition comprises a rheology modifier.
13. A composition according to any preceding claim, wherein the rheology modifier is a (co)polymer selected from polyethylene; acrylic (co)polymer; polyolefin, poly(vinylpyrrolidone) (PVP) and decene copolymer; PVP and hexadecene copolymer; PVP and eicosene copolymer; butylated PVP; polyvinylmethyl ether (PVM), maleic anhydride or maleic acid, and decadiene copolymer; vinyl acetate and ethylene copolymers; and/or a cellulose, such as hydroxyethylcellulose, hydroxypropylcellulose, hydroxypropyl methylcellulose.
14. A composition according to any preceding claim, wherein the rheology modifier comprises a (hetero)aliphatic (alk)acrylate (co)polymer.
15. A composition according to any preceding claim, wherein the rheology modifier comprises a mixture of different (hetero)aliphatic (alk)acrylate (co)polymers having different chain lengths.
16. A composition according to any preceding claim, wherein the composition comprises a rheology modifier in an amount of 13.01% by weight of the composition.
17. A composition according to any preceding claim, wherein the composition comprises a humectant.
18. A composition according to any preceding claim, wherein the humectant is selected from glycerine or a derivative thereof; hyaluronic acid or a salt thereof; pyroglutamic acid or salt thereof; lactic acid; a lactate; a glycol; a polyol; and/or a glycosaminoglycan.
19. A composition according to any preceding claim, wherein the composition comprises a humectant in an amount of 0.05% by weight of the composition.
20. A composition according to any preceding claim, wherein the composition comprises a pH modifier.
21. A composition according to any preceding claim, wherein the composition has a pH of a7.3.
22. A composition according to any preceding claim, wherein the compound according to formula (I) is a skin protection agent and the composition comprises a combination of two or more different skin protection agents.
23. A composition according to any preceding claim, wherein the composition has a viscosity of 30,000 cps.
24. A sanitiser device, comprising a sanitiser composition arranged within a dispenser; wherein the sanitiser composition is according to any preceding claim.
25. A method of producing a sanitiser composition, such as a composition of any of claims 1 to 23, comprising the steps of: (a) contacting water, an alcohol and a compound according to formula Ito form a sanitiser composition; /0 (I) wherein R is selected from a C1-10 aliphaticgroup.OH