EP1397435A1 - Kationische farbstoffe, verfahren zu deren herstellung und diese verbindungen enthaltende färbemittel - Google Patents
Kationische farbstoffe, verfahren zu deren herstellung und diese verbindungen enthaltende färbemittelInfo
- Publication number
- EP1397435A1 EP1397435A1 EP02712898A EP02712898A EP1397435A1 EP 1397435 A1 EP1397435 A1 EP 1397435A1 EP 02712898 A EP02712898 A EP 02712898A EP 02712898 A EP02712898 A EP 02712898A EP 1397435 A1 EP1397435 A1 EP 1397435A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- group
- phenyl
- alkyl
- optionally substituted
- formula
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/49—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
- A61K8/4973—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with oxygen as the only hetero atom
- A61K8/498—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with oxygen as the only hetero atom having 6-membered rings or their condensed derivatives, e.g. coumarin
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q5/00—Preparations for care of the hair
- A61Q5/06—Preparations for styling the hair, e.g. by temporary shaping or colouring
- A61Q5/065—Preparations for temporary colouring the hair, e.g. direct dyes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q5/00—Preparations for care of the hair
- A61Q5/10—Preparations for permanently dyeing the hair
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B57/00—Other synthetic dyes of known constitution
Definitions
- the present invention relates to new cationic dyes, a process for their preparation and colorants containing these cationic dyes.
- An often used method is, for example, a condensation reaction between a 2-hydroxybenzaldehyde derivative with an acetophenone derivative, which leads to the 4-alkylene-2-aryl-4H-1-benzopyran derivatives.
- reducing or oxidative reagents are reacted with various flavonoid compounds.
- these methods are not entirely satisfactory.
- R1, R2, R3, R4, and R5 are independently a hydrogen atom, a straight or branched C1 to C4 alkyl group, a C1 to C4 hydroxyalkyl group, a hydroxy group, a methoxy group, a benzyl group, one Halogen atom (F, Cl, Br, J), a nitro group, a nitroso group, a cyano group, a trifluoromethyl group, a -CHO group, a -COR b group, a -COOH group, a -CO 2 R b group , an -OCOR b group, an -OCH 2 aryl group, an -SO 2 NH 2 group, an -SO 2 CHF 2 group, an -SO 2 CF 3 group, an -SO 2 NH 2 - Group, one - SO 2 NHR b group, one -SO 2 N (R b ) 2 group, one -SO 2 R b group, one -NH
- Rz is equal to a hydrogen atom, an optionally substituted phenyl group, an optionally substituted naphthyl group, an optionally substituted aromatic carbocycle or heterocycle, a C1 to C8 alkyl group, a C1 to C8 monohydroxyalkyl group, a C1 to C8 polyhydroxyalkyl group, a C1 to C8 alkoxy (C1 to C8) alkyl group, a halogen atom, a -OCOR a group, a nitro group, a cyano group, a -CO-R a group, a -CO-OR a group, one -CO-OCF 3 group, one -CO-NHR a group, a -CO-N (R a ) 2 group, an -SO 2 -NH 2 group, an -SO 2 -NHR a group, an -SO 2 -N (R a ) 2 , an -SO 2 -OR a group or an -
- the Grignard reaction between the compounds of formula (II) and formula (III) takes place at -80 to 180 ° C, preferably 0 to 140 ° C and in particular 20 to 100 ° C, using an apolar aprotic or polar aprotic solvent, for example an ether compound, preferably diethyl ether, dioxane, 1, 2-dimethoxyethane, 1, 2-diethoxyethane, bis (2-ethoxyethyl) ether and in particular tetrahydrofuran.
- the reaction medium is anhydrous.
- the reaction time is about 1 to 48 hours, with a reaction time of 1 to 8 hours and in particular 2 to 6 hours being preferred.
- the compound of formula (II) and the compound of formula (III) are preferably used in a molar ratio of 1: 1 to 1:50 and in particular in a molar ratio of 1: 1 to 1:15.
- HA aqueous or aqueous-alcoholic solution
- the compound of the formula (I) or (Ia) can precipitate after the elimination of water.
- the water phase is extracted with organic solvents customary for this purpose, for example halogenated hydrocarbons, ether compounds, ester compounds or a supercritical liquid from CO 2 , preferably ether compounds or ester compounds and in particular ethyl acetate.
- organic solvents customary for this purpose, for example halogenated hydrocarbons, ether compounds, ester compounds or a supercritical liquid from CO 2 , preferably ether compounds or ester compounds and in particular ethyl acetate.
- the extract thus obtained is then taken up in an aqueous-alcoholic solution acidified with an acid and stirred at a temperature of 0 ° to 100 ° C., a temperature of 20 ° to 50 ° being particularly preferred.
- the stirring is preferably carried out for 1 to 48 hours and in particular 1 to 8 hours, the compound of the formula (I) or (Ia) being obtained.
- Particularly suitable compounds of the formulas (I) and (Ia) are 7-hydroxy-4-methylene-2-phenyl-4H-1-benzopyran, 7-methoxy-4-methylene-2- (3,4,5-trimethoxyphenyl ) -4H-1-benzopyran, 5,7-dihydroxy-4-methylene-2-phenyl-4H-1-benzopyran, 5,7-dimethoxy-4-methylene-2-phenyl-4H-1 - benzopyran, 4- Methylene-4H-1-benzopyran, 4-methylene-2-phenyl-4H-1-benzopyran, 7-amino-4-methylene-2-phenyl-4H-1-benzopyran, 7-dimethylamino-4-methylene-2- phenyl-4H-1-benzopyran and 4-methylene-7-nitro-2-phenyl-4H-1-benzopyran and their salts with inorganic or organic acids; where the 7-hydroxy-4-methyl-2-phenyl-1-benzopyrylium chlor
- the present invention relates to a process for the preparation of cationic dyes of the formulas (V) and (VI), in which the 4-alkylene-2-aryl-4H-1-benzopyran derivative of the formula (Ia) or its salt described above Formula (I) with an aldehyde derivative of the formula (IV), preferably 4-N, N-dimethylamino-benzaldehyde or 4-N, N-dimethylaminocinnamaldehyde, at 0 to 180 ° C in a polar aprotic, apolar aprotic, polar protic or apolar protic solvent, is implemented;
- R1, R2, R3, R4, and R5 are independently equal to one
- Hydrogen atom a straight-chain or branched C1 to C4 alkyl group, a C1 to C4 hydroxyalkyl group, a hydroxy group, a methoxy group, a benzyl group, a halogen atom (F, Cl, Br, J), a nitro group, a nitroso group, a cyano group, a trifluoromethyl group, a -CHO group, one -COR b group, a -COOH group, a -CO 2 R b group, a -OCOR b group, an -OCH 2 aryl group, an -SO 2 NH 2 group, an -SO 2 CHF 2 group, an -SO 2 CF 3 group, an -SO 2 NH 2 group, an -SO 2 NHR b group, an -SO 2 N (R b ) 2 group, an -SO 2 R b Group, an -NH 2 group, a - (NH 3 ) + group
- R6, R7, R8, R9 and R10 independently of one another are equal to a hydrogen atom, a straight-chain or branched C1-C4-alkyl group, a C1-C4-hydroxyalkyl group, a hydroxy group, a methoxy group, a benzyl group, a halogen atom (F, Cl, Br , J), one Nitro group, a nitroso group, a cyano group, a trifluoromethyl group, a -CHO group, a -COR c group, a -COOH group, a -CO 2 R c group, a -OCOR c group, a - OCH 2 aryl group, an -SO 2 NH 2 group, an -NH 2 group, an - (NH 3 ) + group, an -NHR C group, an - (NH 2 R C ) + group , a -N (R C ) 2 group, a - (N (R
- X1 is sulfur, nitrogen, oxygen, a C-R13 group or an N-R12 group
- X2 is sulfur, nitrogen, oxygen, a C-R14 group or an N-R12 group
- X3 is sulfur, nitrogen, oxygen, a C-R15 group or an N-R12 group, provided that at least one and a maximum of two of the radicals X1 to X3 are sulfur, oxygen or an N-R12 group , R11, R13, R14 and R15 are independently hydrogen, a halogen atom (F, Cl, Br, J), a cyano group, a C 1 -C 4 alkoxy group, a C r C 6 alkyl group, a CC 4 - Alkylthioether group, one Mercapto group, a nitro group, an amino group, a C 1 -C 4 alkyl amino group, a di (C 1 -C 4) alkylamino group, a di (C 1 -C 4 -hydroxy alkyl) amino group, a C 1 - C 4 hydroxyalkylamino group, a trifluoromethane group, a -C (O) CH 3 group, a -C (O)
- R12 is hydrogen, a C r C 6 alkyl group, a C 2 -C 4 hydroxyalkyl group, a phenyl group or an acetyl group; n is 0, 1 or 2;
- Rx is a hydrogen atom, an optionally substituted phenyl group, an optionally substituted naphthyl group, a benzyl group, an optionally substituted aromatic carbocycle or heterocycle, a C1 to C8 polyhydroxyalkyl group, a C1 to C8 alkoxy (C1 to C8) alkyl group, a straight-chain or branched C1-C6 alkyl group, an OR a group or an SR a group, where R a is a hydrogen atom, an optionally substituted aromatic carbocycle or heterocycle or a C1-C6 alkyl group;
- Rz is equal to a hydrogen atom, an optionally substituted phenyl group, an optionally substituted naphthyl group, an optionally substituted aromatic carbocycle or heterocycle, a C1 to C8 alkyl group, a C1 to C8 monohydroxyalkyl group, a C1 to C8 polyhydroxyalkyl group, a C1 to C8 alkoxy (C1 to C8) alkyl group, a halogen atom, a -OCOR a group, a nitro group, a cyano group, a -CO-R a group, a -CO-OR a group, one -CO-OCF 3 group, a -CO-NHR a group, a -CO-N (R a ) 2 group, an -SO 2 -NH 2 group, an -SO 2 -NHR a group, an -SO 2 -N (R a ) 2 , an -SO 2 -OR a group or an
- the condensation reaction is preferably carried out at 20 to 140 ° C. and in particular at 50 to 100 ° C., the use of a polar protic or apolar protic solvent such as water, alcohols such as ethanol and methanol or carboxylic acids such as acetic acid and formic acid being preferred , The use of ethanol and / or methanol is particularly preferred.
- the reaction time is preferably about 1 to 48 hours and especially 1 to 8 hours.
- Another subject is the new cationic dyes of the formulas (V) and (VI).
- Suitable compounds of the formulas (V) and (VI) which can be mentioned in particular are: 4- [4- (4-N, N-dimethylamino) phenyl) ethenyl] - 7-hydroxy-2-phenyl-1-benzopyrylium- chloride, 4- [4- (4- (N, N-dimethylamino) phenyl) ethenyl] -7-methoxy-2- (3,4,5-trimethoxyphenyl) -1-benzopyrylium chloride, 8-hydroxy-5 -phenyl-2- (4-N, N) -dimethylamino) -phenyl-1,6-dioxaphenalenium chloride, 8-hydroxy-5-phenyl-2- [2- (4- (N, N) -dimethyl- amino) phenyl] ethenyl-1, 6-dioxaphenalenium chloride and 4- [4- (4- (N, N- dimethylamino) phen
- the dyes of the formula (V) and the formula (VI) are outstandingly suitable as direct dyes for dyeing keratin fibers.
- the present invention therefore furthermore relates to an agent for dyeing keratin fibers, for example wool, cotton, silk or hair, in particular human hair, which is characterized in that it contains at least one compound of the formula (V) or (VI).
- the total content of the dyes of the formulas (V) and (VI) in the inventive agent for dyeing keratin fibers is about 0.01 to 5 percent by weight, preferably 0.1 to 3 percent by weight.
- the colorant according to the invention can optionally additionally contain customary, physiologically acceptable, direct dyes from the group of acidic or basic dyes, nitro dyes, azo dyes, quinone dyes and triphenylmethane dyes.
- the agent for coloring keratin fibers according to the invention can be, for example, a solution, in particular an aqueous or aqueous-alcoholic solution.
- suitable forms of preparation are a cream, a gel, a foam or an emulsion.
- Your Composition represents a mixture of the compounds of formulas (V) and (VI) with the additives customary for such preparations.
- Customary additives used in colorants in solutions, creams, emulsions, gels or foams are, for example, solvents such as water, lower aliphatic alcohols, for example ethanol, n-propanol and isopropanol or glycols such as glycerol and 1,2-propanediol, and also wetting agents or emulsifiers the classes of anionic, cationic, amphoteric or non-ionic surface-active substances such as fatty alcohol sulfates, ethoxylated fatty alcohol sulfates, alkyl sulfonates, alkylbenzenesulfonates, alkyltrimethylammonium salts, alkylbetaines, oxyethylated fatty alcohols, oxyethylated nonylphenols, fatty acid alkanolamides, oxyethylamides, oxyethylamides, ethoxylated fatty acid fatty acids higher fatty
- the constituents mentioned are used in the amounts customary for such purposes, for example the wetting agents and emulsifiers in concentrations of about 0.5 to 30 percent by weight (based on the colorant), the thickeners in an amount of about 0.1 to 30 percent by weight ( based on the colorant) and the care substances in a concentration of about 0.1 to 5 percent by weight (based on the colorant). It is also possible to take this agent out of a pressure container with the aid of an atomizer or other suitable pump devices or spray devices or in a mixture with conventional propellants liquefied under pressure as an aerosol spray or as an aerosol foam.
- the pH of the colorant according to the invention is about 2 to 11, with a pH of 2.5 to 8 being particularly preferred.
- An alkaline pH is preferably set with ammonia, but it is also possible to use organic amines, such as monoethanolamine or triethanolamine, instead of ammonia.
- an organic or inorganic acid such as, for example, hydrochloric acid, sulfuric acid, phosphoric acid, ascorbic acid, glycolic acid or lactic acid, can be used to set an acidic pH.
- colorant described above can optionally contain other additives customary for colorants for keratin fibers, such as, for example, care substances, wetting agents, thickeners, plasticizers, preservatives and perfume oils, and also further additives listed below.
- wetting agents or emulsifiers from the classes of anionic, amphoteric, nonionic or zwitterionic surface-active substances such as fatty alcohol sulfates, alkane sulfonates, alkylbenzenesulfonates, alkyl betaines, ⁇ -olefin sulfonates, oxethylated fatty alcohols, oxethylated nonylphenols, oxyethyl fatty alcohol amines, fatty ethyl alcohol alcohols, can be used in the colorant according to the invention.
- anionic, amphoteric, nonionic or zwitterionic surface-active substances such as fatty alcohol sulfates, alkane sulfonates, alkylbenzenesulfonates, alkyl betaines, ⁇ -olefin sulfonates, oxethylated fatty alcohols, oxethylated nonylphenol
- polyglycol ether sulfates alkyl polyglucosides
- thickening agents such as higher fatty alcohols, starch, alginates, bentonites, cellulose derivatives, petroleum jelly, paraffin oil and fatty acids, water-soluble polymeric thickening agents such as natural types of rubber, guar gum, xanthan gum, locust bean gum, pectin, dextran, agar-agarine, amaropin, amaropin, amarine Clays or fully synthetic hydrocolloids such as polyvinyl alcohol, as well as care substances such as lanolin derivatives, cholesterol, pantothenic acid, water-soluble polymers, protein derivatives, provitamins, vitamins, plant extracts, sugar and betaine, auxiliaries such as humectants, electrolytes, antioxidants, fatty amides, sequestering agents, film-forming agents and preservatives ,
- the colorant described above can furthermore contain natural or synthetic polymers or modified polymers of natural origin, as a result of which the keratin fiber is strengthened simultaneously with the coloring.
- Such agents are generally referred to as tinting or color strengthening agents.
- synthetic polymers known for this purpose in cosmetics for example polyvinylpyrrolidone, polyvinyl acetate, polyvinyl alcohol or polyacrylic compounds such as polyacrylic acid or polymethacrylic acid, polyacrylonitrile, polyvinyl acetates and copolymers of such compounds, such as polyvinylpyrrolidone-vinyl acetate, may be mentioned; while, for example, chitosan (deacetylated chitin) or chitosan derivatives can be used as natural polymers or modified natural polymers.
- the constituents mentioned are used in the amounts customary for such purposes, for example the wetting agents and emulsifiers in Concentrations of about 0.5 to 30 percent by weight, the thickeners in an amount of about 0.1 to 25 percent by weight and the care substances in an amount of about 0.1 to 5 percent by weight.
- the abovementioned polymers can be used in the agent according to the invention in the amount customary for such agents, in particular in an amount of about 1 to 5 percent by weight.
- the agent for dyeing keratin fibers according to the invention is particularly suitable for dyeing hair.
- the colorant according to the invention is usually applied to the hair in an amount sufficient for coloring the hair, generally about 50 to 150 grams.
- an exposure time sufficient for hair coloring which is usually about 10 to 45 minutes at 20 to 50 ° C., preferably 15 to 30 minutes at about 40 ° C.
- the hair is rinsed with water, optionally washed with a shampoo and / or rinsed with the aqueous solution of a weak organic acid, such as citric acid or tartaric acid, and dried.
- the dye with additional setting is used in a known and customary manner by moistening the hair with the setting agent, inserting the hair for the hairstyle and then drying.
- the colorant according to the invention gives colorations with excellent brilliance and depth of color even without the addition of oxidizing agents.
- the use of the abovementioned agent without the addition of oxidizing agents is preferred because of the better protection of the fiber, it is readily possible to use the abovementioned coloring agent in conjunction with oxidizing agents, for example if simultaneous bleaching of the fiber is desired or if customary oxidation dye precursors are also to be added to the colorant.
- the colorant according to the invention offers a wide range of different color shades, depending on the type and composition of the dyes used, which ranges from natural shades to highly fashionable, bright shades.
- the excellent properties of the new colorant are particularly evident on hair damaged by light and weather or on permanently waved hair.
- the dyeings obtained are particularly notable for their very good durability and washout resistance.
- Example 2.1 4- [4- (4- (N, N-dimethylamino) phenyl) ethenyl] -7-hydroxy-2-phenyl-1-benzopyrylium chloride
- Example 2.2 4- [4- (4- (N, N-Dimethylamino) phenyl) ethenyl] -7-methoxy-2- (3,4,5-trimethoxyphenyl) -1-benzopyrylium choride
- Example 2.5 4- [4- (4- (N, N-dimethylamino) phenyl) butadienyl] -7-methoxy- 2- (3,4,5-trimethoxyphenyl) -1-benzopyrylium chloride
- the above coloring solution is mixed with 10% citric acid solution or with 0.1 M NaOH solution on the in Example 3.1. adjusted to the specified pH m value and then applied to bleached hair. After an exposure time of 30 minutes at 40 ° C, it is washed out with water and dried.
- the above coloring solution is mixed with 10% citric acid solution or with 0.1 M NaOH solution on the in Example 3.7. adjusted to the pH rn indicated and then applied to bleached hair. After an exposure time of 30 minutes at 40 ° C, it is washed out with water and dried.
- the above coloring solution is mixed with 10% citric acid solution or with 0.1 M NaOH solution on the in Example 3.8. adjusted to the specified pH m value and then applied to bleached hair. After an exposure time of 30 minutes at 40 ° C, it is washed out with water and dried.
- the above coloring solution is mixed with 10% citric acid solution or with 0.1 M NaOH solution on the in Example 3.9. adjusted to the specified pH m value and then applied to bleached hair. After an exposure time of 30 minutes at 40 ° C, it is washed out with water and dried.
- the above coloring solution is mixed with 10% citric acid solution or with 0.1 M NaOH solution on the in Example 3.10. adjusted to the specified pH m value and then applied to bleached hair. After an exposure time of 30 minutes at 40 ° C, it is washed out with water and dried.
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Birds (AREA)
- Epidemiology (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Cosmetics (AREA)
- Plural Heterocyclic Compounds (AREA)
- Coloring (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04022499A EP1489142A1 (de) | 2001-06-22 | 2002-02-07 | Kationische Farbstoffe, Verfahren zu deren Herstellung und diese Verbindungen enthaltende Färbemittel |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10130145A DE10130145A1 (de) | 2001-06-22 | 2001-06-22 | Kationische Farbstoffe, Verfahren zu deren Herstellung und diese Verbindungen enthaltende Färbemittel |
DE10130145 | 2001-06-22 | ||
PCT/EP2002/001268 WO2003000799A1 (de) | 2001-06-22 | 2002-02-07 | Kationische farbstoffe, verfahren zu deren herstellung und diese verbindungen enthaltende färbemittel |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04022499A Division EP1489142A1 (de) | 2001-06-22 | 2002-02-07 | Kationische Farbstoffe, Verfahren zu deren Herstellung und diese Verbindungen enthaltende Färbemittel |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1397435A1 true EP1397435A1 (de) | 2004-03-17 |
Family
ID=7689080
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02712898A Withdrawn EP1397435A1 (de) | 2001-06-22 | 2002-02-07 | Kationische farbstoffe, verfahren zu deren herstellung und diese verbindungen enthaltende färbemittel |
EP04022499A Withdrawn EP1489142A1 (de) | 2001-06-22 | 2002-02-07 | Kationische Farbstoffe, Verfahren zu deren Herstellung und diese Verbindungen enthaltende Färbemittel |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04022499A Withdrawn EP1489142A1 (de) | 2001-06-22 | 2002-02-07 | Kationische Farbstoffe, Verfahren zu deren Herstellung und diese Verbindungen enthaltende Färbemittel |
Country Status (6)
Country | Link |
---|---|
US (1) | US20040039202A1 (de) |
EP (2) | EP1397435A1 (de) |
JP (1) | JP2004521180A (de) |
BR (1) | BR0205616A (de) |
DE (1) | DE10130145A1 (de) |
WO (1) | WO2003000799A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060134573A1 (en) * | 2004-12-17 | 2006-06-22 | Mcminn David | Safety wick assembly for effusion lamps |
US7649098B2 (en) * | 2006-02-24 | 2010-01-19 | Lexicon Pharmaceuticals, Inc. | Imidazole-based compounds, compositions comprising them and methods of their use |
DE602007009967D1 (de) | 2007-07-18 | 2010-12-02 | Sony Corp | Verbesserter wettbewerbsbasierter Medienzugangsmechanismus |
TW200920355A (en) * | 2007-09-06 | 2009-05-16 | Lexicon Pharmaceuticals Inc | Compositions and methods for treating immunological and inflammatory diseases and disorders |
DE102018222024A1 (de) * | 2018-12-18 | 2020-06-18 | Henkel Ag & Co. Kgaa | Verfahren zum Färben von keratinischem Material mit Färbemittel und saurem Nachbehandlungsmittel |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4045451A (en) * | 1975-04-25 | 1977-08-30 | Warner-Lambert Company | 2-(Methylthio)naphtho[1,3-bc]pyran-3(2H)-one |
DE2719916C2 (de) * | 1977-05-04 | 1987-03-19 | Kali-Chemie Pharma Gmbh, 3000 Hannover | Verfahren zur Herstellung von 2,9-Dioxatricyclo[4,3,1,0↑3↑↑,↑↑7↑]decanen |
CH621706A5 (de) * | 1977-06-17 | 1981-02-27 | Firmenich & Cie | |
HU182048B (en) * | 1978-04-14 | 1983-12-28 | Sumitomo Chemical Co | Process for preparing brendane derivatives and brendane analogues |
US4420626A (en) * | 1981-09-25 | 1983-12-13 | E. R. Squibb & Sons, Inc. | Dioxatricyclic prostacyclin analogs |
DE3724757A1 (de) * | 1987-07-25 | 1989-02-09 | Basf Ag | Benzopyranderivate |
JP3046843B2 (ja) * | 1993-06-10 | 2000-05-29 | ロレアル | 5−メトキシ−8−メチル−2−フェニル−7h−1−ベンゾピラン−7−オン誘導体の少なくとも1種を着色剤として含有する化粧料組成物 |
-
2001
- 2001-06-22 DE DE10130145A patent/DE10130145A1/de not_active Withdrawn
-
2002
- 2002-02-07 EP EP02712898A patent/EP1397435A1/de not_active Withdrawn
- 2002-02-07 WO PCT/EP2002/001268 patent/WO2003000799A1/de not_active Application Discontinuation
- 2002-02-07 EP EP04022499A patent/EP1489142A1/de not_active Withdrawn
- 2002-02-07 US US10/381,919 patent/US20040039202A1/en not_active Abandoned
- 2002-02-07 JP JP2003507194A patent/JP2004521180A/ja not_active Withdrawn
- 2002-02-07 BR BR0205616-0A patent/BR0205616A/pt not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO03000799A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2003000799A1 (de) | 2003-01-03 |
DE10130145A1 (de) | 2003-01-02 |
JP2004521180A (ja) | 2004-07-15 |
BR0205616A (pt) | 2003-07-08 |
US20040039202A1 (en) | 2004-02-26 |
EP1489142A1 (de) | 2004-12-22 |
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