JPH02123196A - Detergent - Google Patents

Detergent

Info

Publication number
JPH02123196A
JPH02123196A JP27565988A JP27565988A JPH02123196A JP H02123196 A JPH02123196 A JP H02123196A JP 27565988 A JP27565988 A JP 27565988A JP 27565988 A JP27565988 A JP 27565988A JP H02123196 A JPH02123196 A JP H02123196A
Authority
JP
Japan
Prior art keywords
vegetable
silver
water
detergent
coconut oil
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.)
Pending
Application number
JP27565988A
Other languages
Japanese (ja)
Inventor
Toshio Shimada
俊雄 島田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to JP27565988A priority Critical patent/JPH02123196A/en
Publication of JPH02123196A publication Critical patent/JPH02123196A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16Organic compounds
    • C11D3/38Products with no well-defined composition, e.g. natural products
    • C11D3/382Vegetable products, e.g. soya meal, wood flour, sawdust

Abstract

PURPOSE:To obtain a detergent having excellent degreasing property, suitable for shower and usable without causing the problems of environmental pollution and destruction of ozonosphere by dissolving a vegetable extract, alcohol-based coconut oil, a surfactant and a vegetable resin in water treated by contacting with silver (alloy). CONSTITUTION:The objective detergent can be produced by dissolving (A) a vegetable extract containing polyhydric phenols, aromatic oxycarboxylic acids, terpenes, etc., (B) preferably a higher alcohol-based coconut oil, (C) a surfactant preferably composed of an acid alkynode sulfate and (D) a resin of a vegetable such as pine, cedar or cypress in (E) water treated by contacting with the surface of silver or a silver alloy to prevent the degradation of the water or the generation of algae caused by the proliferation of microorganism. The detergent is useful for the degreasing and cleaning of electronic parts, mechanical parts, CD cassette, particular lens, copper wire, etc.

Description

【発明の詳細な説明】 (産業上の利用分¥f) 本発明は、主にシリコンウェハ、IC(集積回路)、L
SI(大規模集積回路)等の電子部品の他1機械部品、
CDカセット、特殊レンズ、銅線等脱脂洗浄に用いられ
る洗浄剤に関する。
Detailed Description of the Invention (Industrial Usage ¥f) The present invention mainly applies to silicon wafers, ICs (integrated circuits), L
Electronic parts such as SI (large scale integrated circuit) and one mechanical part,
It relates to a cleaning agent used for degreasing and cleaning CD cassettes, special lenses, copper wires, etc.

(従来の技術) 従来のこの種の洗浄剤としては、フロンソルツ等のフッ
素系溶剤を主成分とするフッ素系洗浄剤と、トリクロル
エチレン、テトラクロルエチレン、トリクロルエタン、
エチレンクロライド等の塩素系溶剤を主成分とする塩素
系洗浄剤が用いられている。
(Prior art) Conventional cleaning agents of this type include fluorine-based cleaners whose main ingredients are fluorine-based solvents such as Freonsolz, trichlorethylene, tetrachloroethylene, trichloroethane,
Chlorine-based cleaning agents containing chlorinated solvents such as ethylene chloride as a main component are used.

(発明か解決しようとする課題) しかしなから、従来の洗t′Il剤にあっては、以下に
述べるような問題点かあった。
(Problems to be Solved by the Invention) However, conventional detergents have had the following problems.

即ち、フッ素系洗浄剤に含まれるフロンは、金属に対す
る腐食性がなく、かつ、高分子化合物に対する作用も少
ないため、電子部品等の洗浄剤として広く利用されてい
るか、フロンガスの大気放出による成層圏におけるオゾ
ンの破壊作用か最近問題となり、オンン層保護の為のウ
ィーン条約においてフロンか統制対象物質となっている
。このため、代任品の早急な開発か叫ばれているという
現状である。
In other words, the fluorocarbons contained in fluorine-based cleaning agents are not corrosive to metals and have little effect on polymer compounds, so they are widely used as cleaning agents for electronic parts, etc., and they are also used as fluorocarbons in the stratosphere due to the release of fluorocarbon gas into the atmosphere. The depleting effect of ozone has recently become an issue, and it is classified as a controlled substance under the Vienna Convention for the Protection of the Ozone Layer. For this reason, the current situation is that there is an urgent need to develop a replacement product.

また、塩素系洗浄剤の場合は、毒性か強く環境汚染の問
題かあるため2排水処理に多くの費用かかかってしまう
という問題点かあった。
In addition, in the case of chlorine-based cleaning agents, there are problems in that they are toxic and can cause environmental pollution, resulting in high costs for wastewater treatment.

また、従来の洗浄剤では脱脂性及びシャワー性か不充分
であり、その改善か望まれていた。
Furthermore, conventional detergents have insufficient degreasing and showering properties, and improvements have been desired.

そこで1本発明は、上述のような従来品の問題点を解決
するためになされたもので、その目的とするところは、
環境汚染やオソン層破壊の問題を生せしめることなく、
かつ、脱脂性及びシャワー性に優れた洗浄剤の提供にあ
る。
Therefore, the present invention was made to solve the problems of the conventional products as described above, and its purpose is to:
without causing problems of environmental pollution or destruction of the ozone layer.
Another object of the present invention is to provide a cleaning agent with excellent degreasing and showering properties.

(課題を解決するための手段) 本発明では、前記目的を達成するための手段として、銀
若しくは銀合金の表面に接触せしめた処理水に対し、植
物性エキスと、アルコール系やし油と、界面活性剤と、
植物性やにとを溶解せしめた構成とした。
(Means for Solving the Problem) In the present invention, as a means for achieving the above object, a vegetable extract and alcoholic coconut oil are added to the treated water that has been brought into contact with the surface of silver or silver alloy. surfactant;
It is composed of dissolved vegetable resin.

(作用) 本発明の洗浄剤では、上述のように、銀若しくは銀合金
の表面に接触せしめた処理水に対し、植物性エキスと、
アルコール系やし油と、界面活性剤と、植物性やにとを
溶解せしめたことで、成分的にみても環境汚染やオソン
層破壊等の問題を生せしめることはない。
(Function) As described above, in the cleaning agent of the present invention, a vegetable extract is added to the treated water that has been brought into contact with the surface of silver or silver alloy.
By dissolving alcoholic coconut oil, surfactant, and vegetable resin, it does not cause problems such as environmental pollution or destruction of the ozone layer, even from a component standpoint.

また、現在分析途中で明らかではないか、植物性エキス
を成分として加えることによって、従来の洗浄剤では得
られない強い脱脂性が確認された。
In addition, it has been confirmed that the addition of plant extracts as an ingredient has strong degreasing properties that cannot be obtained with conventional detergents, which may not be clear during the current analysis.

また、植物性やにを成分として加えることによって、油
性で一般的には水には不溶性なアルコール系やし油を、
希釈のための処理水に均一に溶解させることかでき、従
って、ゾル、ゲル、懸たく物を発生させることなく、前
記脱脂性とアルコール系やし油による汚れの分解機能を
兼ね備えた洗浄剤か得られるようになる。尚、現在分析
中て明らかではないか、この植物性やにの添加によって
、従来の洗浄剤では得られない優れたシャワー性か確認
された。
In addition, by adding vegetable resin as an ingredient, alcoholic palm oil, which is oily and generally insoluble in water, can be
A cleaning agent that can be uniformly dissolved in treated water for dilution, and therefore has both the degreasing properties and the ability to decompose stains caused by alcohol-based coconut oil, without generating sol, gel, or sticky substances. You will be able to get it. In addition, it has been confirmed that the addition of this vegetable resin provides excellent shower properties that cannot be obtained with conventional detergents, which may not be clear during the current analysis.

また、希釈水として銀若しくは銀合金の表面に接触せし
めた処理水を用いたことて、各成分の変質や微生物の繁
殖による藻の発生を防止し、上記洗浄剤としての各機能
を長期間に亘って維持すると共に、スプレー式での安定
した利用が可能となる。
In addition, by using treated water that has come into contact with the surface of silver or silver alloy as dilution water, it prevents the deterioration of each component and the growth of algae due to the proliferation of microorganisms, and maintains each of the above functions as a cleaning agent for a long time. It can be maintained over a long period of time and can be used stably as a spray type.

(実施例) 以下1本発明の実施例について説明する。(Example) An embodiment of the present invention will be described below.

まず、実施例の洗浄剤の成分について説明する。First, the components of the cleaning agent of the example will be explained.

この実施例の洗浄剤の成分としては、Xi)植物性エキ
ス、(2)アルコール系やし油、■界面活性剤。
The components of the cleaning agent in this example are: Xi) vegetable extract, (2) alcoholic coconut oil, and (2) surfactant.

(4)処理水、(5)植物性やにか用いられる。(4) Treated water and (5) Plant-based pesticides are used.

前記(D植物性エキスの原料植物として、この実施例て
は、アカマツ(マツ科)、スキ(スギ科)、ヒノキ(ヒ
ノキ科)、オオバコ(オオバコ科)が用いられ、これ等
の幹、枝、IJを機械的に細切り及びミキシングし、こ
れにit比l:1で精製水を加え、かつ、メチルアルコ
ールを3%加えて約2カ月熟成後、圧搾機で絞り繊維質
を取り除くためフィルタでろ過したものを、乾留及び分
留方式で抽出したエキスか用いられる。
In this example, Japanese red pine (Pinaceae), Japanese cypress (Cupressaceae), Japanese cypress (Cupressaceae), and plantain (Plantago family) are used as the raw material plants for the plant extract (D), and the trunks and branches of these , IJ was mechanically shredded and mixed, purified water was added at an IT ratio of 1:1, and 3% methyl alcohol was added, and after aging for about 2 months, it was squeezed with a press and passed through a filter to remove fibrous matter. The extract is extracted by carbonization and fractional distillation from the filtered product.

そして、上記抽出エキスの成分・特性等については、現
在分析途中であるか、脂肪族有機酸を主成分とし、その
他の成分として1価、多価フェノール、芳香族オキシカ
ルボン酸、テルペン類等が含まれ、特に洗浄剤に要求さ
れる脱脂性に優れるものと推定される。
The components and characteristics of the above extract are currently in the process of being analyzed, or the main component is aliphatic organic acids, and other components include monohydric and polyhydric phenols, aromatic oxycarboxylic acids, terpenes, etc. It is estimated that it has excellent degreasing properties, which is particularly required for detergents.

前記■アルコール系やし油として、この実施例ては、高
級アルコール系のやし油か用いられる。
In this embodiment, higher alcohol-based coconut oil is used as the above-mentioned (1) alcohol-based coconut oil.

前記(,3)界面活性剤としては特に限定されるものて
はないか、種!?実験の結果は硫酸エステル酸アルキノ
ートか好ましく、その量としては全量の3%前後で十分
てあった。即ち、硫酸エステル酸アルキノートをはしめ
界面活性剤は一般に毒性を持つものか多いのて、できる
限り少なく抑える方がよく、本実施例の場合には前記■
植物性エキスに強い脱脂性による汚れの分解機能かある
ために、硫酸エステル酸アルキノートは少量でよいので
ある。
There are no particular restrictions on the surfactants mentioned above (3). ? The results of the experiment showed that sulfuric acid ester acid alkynote was preferable, and its amount was sufficient at around 3% of the total amount. That is, since surfactants containing sulfuric acid ester acid alkynotes are generally toxic, it is better to keep them to a minimum as much as possible, and in the case of this example, the above
Since plant extracts have strong degreasing properties that decompose dirt, only a small amount of sulfuric ester acid alkynote is needed.

前記[株]処理水は、前記Φ植物性エキスを希釈するた
めの水であって、銀若しくは銀合金の表面に接触せしめ
た処理水か用いられる。
The treated water is water for diluting the Φ vegetable extract, and is treated water that has been brought into contact with the surface of silver or silver alloy.

ところで希釈水として銀若しくはその合金の表面に接触
せしめた処理水を用いるのは下記の理由による。即ち各
種の水を用い上述の各成分を希釈した溶液をある期間保
存しておくとゾルあるいはゲル状の塊が発生し、それに
伴って液も濁ってくる。このゾルあるいはゲル状の塊は
一種の藻であり、植物性エキス成分あるいは他の成分が
変質あるいはそれに微生物か繁殖した物と考えられ、見
掛けもよくない上に、その塊(以下「モ」という)に植
物性エキスあるいは植物油脂か集中、あるいは微生物が
繁殖していればなおさら植物性エキスか持つ防食その他
の効能か低減化するという欠点かある。更に又この種の
「モ」は種類によっては人体に有害な物である場合も多
いし、かっ又この混合液をスプレー式で各種用途に供す
る際は、スプレーの噴出ノズル口か詰まって使用出来な
くなるという欠点もある。この様な「モ」の発生を長期
に亘って起こさない水としては、銀、あるいはその合金
に一定期間接触せしめた水を用いれば良い事を確認した
からである。
By the way, the reason why treated water brought into contact with the surface of silver or its alloy is used as dilution water is as follows. That is, when a solution obtained by diluting each of the above-mentioned components with various types of water is stored for a certain period of time, a sol or gel-like mass is generated, and the liquid becomes cloudy accordingly. This sol or gel-like mass is a type of algae, and it is thought that the plant extract components or other components have deteriorated or microorganisms have multiplied therein. ) has the disadvantage that if the plant extract or vegetable oil is concentrated or if microorganisms are breeding, the anticorrosion and other effects of the plant extract will be reduced. Furthermore, depending on the type, this kind of "mo" is often harmful to the human body, and when using this mixed liquid in a spray format for various purposes, the nozzle of the spray may become clogged, making it impossible to use it. The downside is that it disappears. This is because it has been confirmed that water that has been in contact with silver or its alloy for a certain period of time can be used as water that does not cause the generation of such "mo" over a long period of time.

前記■植物性やにとしては、この実施例では、マツ、ス
キ、ヒノキを燃焼する際に発生ずるやにを集めたものか
用いられる。そして、この■植物性やにを添加するのは
下記の理由による。
In this embodiment, as the above-mentioned (1) vegetable resin, a collection of resin produced when burning pine, plow, and cypress is used. The reason for adding this vegetable resin is as follows.

即ち、前記■アルコール系やし油は、それか油性である
為に一般的には水には不溶性てあり、それを単に水に混
合してもゾル、ゲル、懸たく物を作り均一な溶液とはな
らないか、植物性やにな少量加えると均一に溶解する事
を見出したからである。その量については、前記■植物
性エキスの中にも、その原料植物であるアカマツ、スギ
、ヒノキのやにか含まれているのて、新たに加える鼠と
しては少量てよいが、それか10p、p、m、未満ては
、なお液か乳白色を呈し溶解か不十分てあって、それ以
]−では均一に溶解し、逆にあまり多過ぎて0゜25%
を越えると植物性やに特有の強力な臭や色か付き、かつ
液自体の粘性か大となるのて、 IOp、p。
In other words, since alcoholic palm oil is oil-based, it is generally insoluble in water, and simply mixing it with water will create a sol, gel, or suspension, resulting in a homogeneous solution. This is because they discovered that if a small amount is added to vegetable resin, it dissolves uniformly. As for the amount, the plant extract mentioned above also contains the raw materials of red pine, cedar, and cypress, so you can add a small amount, or 10p. If the amount is less than , p, m, the liquid will still be milky white and not sufficiently dissolved, but if it is more than that, it will be uniformly dissolved, but on the other hand, it will be too much and the solution will be 0.25%.
If it exceeds IOp, p, the strong odor and color characteristic of vegetable resins will develop, and the liquid itself will become more viscous.

m、〜0.25%か適量である。m, ~0.25% or a suitable amount.

そして、上記各成分を、■植物性エキス0.25〜5%
、(リアルコール系やし油10〜40%、0界面活性剤
1〜25%、(5)植物性やに10p、p、m、〜0.
25%の割合て配合し、これに■処理水て任意の希釈]
べ(2〜8%)に希釈することによって、各成分か均一
に溶解された洗浄剤を得た。
Then, add each of the above ingredients to ■ 0.25 to 5% vegetable extract.
, (real alcohol coconut oil 10-40%, 0 surfactant 1-25%, (5) vegetable resin 10p, p, m, ~0.
Blend at a ratio of 25%, and optionally dilute with treated water]
By diluting the solution to 2% to 8%, a cleaning agent in which each component was uniformly dissolved was obtained.

尚、この際用いる希釈水によって得られる洗浄剤の安定
性か相当異なる事か判った。即ち本発明の実施例として
は、該希釈水に直径211+8φの銀の小球を15万個
収容した容器に2000 Jl / h乙の割合て丘水
道水を通した処理水を用いたが、比較の為に他の水、即
ち通常の上水道水、井戸水。
In addition, it was found that the stability of the cleaning agent obtained differed considerably depending on the dilution water used at this time. That is, as an example of the present invention, treated water was used in which the dilution water was passed through Oka tap water at a rate of 2000 Jl/h into a container containing 150,000 small silver balls with a diameter of 211+8φ. Other water sources, such as regular tap water and well water.

活性炭を口過材とした家庭用口過器を用いた口過水の3
種類の水を用い、それに本実施例と同様の成分を溶解し
た液をそれぞれに保存し、「モ」の発生状況を観察した
結果は下記第1表に示す如くであった。
Water purification using a household strainer using activated carbon as a strainer 3
Using different types of water, solutions containing the same components as in this example were stored in each type of water, and the occurrence of "Mo" was observed. The results were as shown in Table 1 below.

第1表 また、他の実施例として、鈍銀ではなく、Agに対しC
LIを約10 屯fg%含ませたAg−(:u合金 及
びAgに対しCdを約15重樋%含ませたAg−(:d
合金を用い、同様の試験をなした結果も上記第1表に示
す結果と同様である事を確認した。
Table 1 Also, as another example, instead of dull silver, C
Ag-(:u alloy) containing about 10 tons of LI and Ag-(:d) containing about 15 tons of Cd relative to Ag.
It was confirmed that the results of a similar test using an alloy were similar to those shown in Table 1 above.

この実施例の洗浄剤(希釈率2%〜8%)の洗浄性評価
テストの結果は下記の通りであった。
The results of the cleaning performance evaluation test for the cleaning agent of this example (dilution rate 2% to 8%) were as follows.

(1)付着微粒子洗浄性評価 このテス1〜は、洗浄〜乾燥後パックに超純水を入れ、
U31時間後に直接検鏡法ににて検鏡したところ、その
結果はド記第2表に示す如くであった。尚、Ref N
o、l及びNo、 2は従来品のテスト結果である。
(1) Evaluation of adhering particulate cleaning performance Test 1: After cleaning and drying, add ultrapure water to the pack.
U31 hours later, the specimen was examined using a direct microscope method, and the results were as shown in Table 2. Furthermore, Ref N
o, l and No. 2 are test results for conventional products.

/ 第2表 (2)シャワー性、臭い、水切り性 従来品との比較による官能間テストの結果は下記第3表
の如くてあった。
/ Table 2 (2) Shower properties, odor, and drainage properties The results of the organoleptic test compared with conventional products are as shown in Table 3 below.

第3表 *従来品より良・ ○ *従来品より並・・・△ *従来品より悪・・・× 以上のように、本実施例の洗浄剤は従来品に比べて優れ
たシャワー性を備えると共に、洗浄性の中でも特に脱脂
性に優れる等、洗浄剤として優れた特性を示した。尚、
成分的にみても環境汚染やオゾン層破壊等の問題を生ゼ
しめることもない。
Table 3 * Better than conventional products ○ * Average than conventional products △ * Worse than conventional products × As described above, the cleaning agent of this example has superior shower properties compared to conventional products. It also showed excellent properties as a cleaning agent, including excellent cleaning properties, especially degreasing properties. still,
Even from a component standpoint, it does not cause problems such as environmental pollution or ozone layer depletion.

以上本発明の実施例について説明してきたか、各成分の
配合割合は実施例の範囲に限定されるものてはなく、使
用目的に応して任意に決定することかできる。
Although the embodiments of the present invention have been described above, the blending ratio of each component is not limited to the range of the embodiments, and can be arbitrarily determined depending on the purpose of use.

また、この実施例では植物性エキスの原料植物として、
アカマツ、スギ、ヒノキ、オオバコを用いた場合を示し
たか、これには限定されず、他の原料植物を用いること
ができる。ただ、実施例の原料植物を用いたときか洗浄
剤として最も優れた特性を示した。
In addition, in this example, as the raw material plant for the botanical extract,
Although examples are shown in which red pine, cedar, cypress, and plantain are used, the present invention is not limited thereto, and other raw material plants can be used. However, when the raw material plant of the example was used, it showed the most excellent properties as a cleaning agent.

また、実施例の成分の他に、例えば増粘剤等を加えるこ
とも任意である。
Further, in addition to the components in the examples, it is also optional to add, for example, a thickener.

(発明の効果) 以上説明してきたように本発明の洗浄剤にあっては、銀
若しくは銀合金の表面に接触せしめた処理水に対し、植
物性エキスと、アルコール系やし油と、界面活性剤と、
植物性やにとを溶解せしめたことて、成分的に環境汚染
やオゾン層破壊等の問題を生せしめることはなく、かつ
、従来の洗浄剤では得られなかった強い脱脂性と優れた
シャワー性を発揮すると共に、各成分か均一に溶解され
、かつ、長期間に亘って「モ」の発生か抑制されるので
、その効果の低ドもなく、スプレー式での安定した利用
か可能になる等の効果か得られる。
(Effects of the Invention) As explained above, in the cleaning agent of the present invention, vegetable extract, alcoholic coconut oil, and surfactant are added to treated water that has come into contact with the surface of silver or silver alloy. agent and
Since the plant-based resin is dissolved, the ingredients do not cause problems such as environmental pollution or ozone layer destruction, and it also has strong degreasing properties and excellent shower properties that cannot be obtained with conventional cleaning agents. At the same time, each component is dissolved uniformly, and the generation of "mo" is suppressed over a long period of time, so there is no decrease in its effectiveness and it can be used stably as a spray type. Effects such as this can be obtained.

特 許 出 願 人 島 田 由 紀 子Special permission Out wish Man island Field Reason Ki Child

Claims (1)

【特許請求の範囲】[Claims] 1)銀若しくは銀合金の表面に接触せしめた処理水に対
し、植物性エキスと、アルコール系やし油と、界面活性
剤と、植物性やにとを溶解せしめたことを特徴とする洗
浄剤。
1) A cleaning agent characterized by dissolving a vegetable extract, alcoholic coconut oil, a surfactant, and vegetable resin in treated water that has come into contact with the surface of silver or silver alloy. .
JP27565988A 1988-10-31 1988-10-31 Detergent Pending JPH02123196A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP27565988A JPH02123196A (en) 1988-10-31 1988-10-31 Detergent

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP27565988A JPH02123196A (en) 1988-10-31 1988-10-31 Detergent

Publications (1)

Publication Number Publication Date
JPH02123196A true JPH02123196A (en) 1990-05-10

Family

ID=17558550

Family Applications (1)

Application Number Title Priority Date Filing Date
JP27565988A Pending JPH02123196A (en) 1988-10-31 1988-10-31 Detergent

Country Status (1)

Country Link
JP (1) JPH02123196A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004104153A1 (en) * 2003-05-22 2004-12-02 Neb Technologies Co., Ltd Manufacturing method of liquid laundry detergent with nano-sized silver colloid

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004104153A1 (en) * 2003-05-22 2004-12-02 Neb Technologies Co., Ltd Manufacturing method of liquid laundry detergent with nano-sized silver colloid

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