US3929661A - Liquid detergent bleaching composition - Google Patents

Liquid detergent bleaching composition Download PDF

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US3929661A
US3929661A US531226A US53122674A US3929661A US 3929661 A US3929661 A US 3929661A US 531226 A US531226 A US 531226A US 53122674 A US53122674 A US 53122674A US 3929661 A US3929661 A US 3929661A
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surfactant
sodium hypochlorite
formula
composition
sodium
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US531226A
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Yunosuke Nakagawa
Yoshiaki Inamoto
Koji Aigami
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Kao Corp
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Kao Corp
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    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/395—Bleaching agents
    • C11D3/3956—Liquid compositions
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02—Anionic compounds
    • C11D1/04—Carboxylic acids or salts thereof
    • C11D1/06—Ether- or thioether carboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02—Anionic compounds
    • C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
    • C11D1/14—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aliphatic hydrocarbons or mono-alcohols
    • C11D1/146—Sulfuric acid esters
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02—Anionic compounds
    • C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
    • C11D1/29—Sulfates of polyoxyalkylene ethers

Definitions

  • ABSTRACT A liquid detergent bleaching composition
  • an alkaline aqueous solution of sodium hypochlorite which solution contains a surfactant having the formula wherein R R and R which can be the same or dif ferent, each is alkyl of 1 to 18 carbon atoms, the sum of the carbon atoms of R R and R being 10 to 20; and X is SO M, CH COOM, CH CH COOM, (CH CH O),,SO M or (CH CH O),,COOM, wherein n is an integer of 1 to 40 and M is an alkali metal.
  • the liquid detergent bleaching composition is an alkaline aqueous solution of sodium hypochlorite and contains therein a special surfactant which is scarcely decomposed after storage for a long period of time.
  • Sodium hypochlorite is now used widely for the purposes of bleaching, sterilization and deodorization.
  • Sodium hypochlorite is also used for disinfection of tableware in public eating facilities, including company cafeterias and restaurants, and also for bleaching textiles and for deodorization of washrooms and plumbing in-households because of its lowcost. It has been demanded by users to provide an improved wetting or penetrating property to sodium hypochlorite solutions, and to improve the bleaching and sterilizing powers thereof.
  • a penetrating agent For this purpose, the use of a penetrating agent is necessary.
  • a general purpose surfactant of the type generally used in household soaps or synthetic detergent compositions is added to sodium hypochlorite, decomposition of sodium hypochlorite is promoted in aqueous systems and the surfactant is insoluble therein or an oxidation reaction or decomposition occurs whereby stable compositions cannot be obtained.
  • synthetic detergents there are in general use anionic and nonionic surfactants such as sodium alkylbenzene sulfonates, sodium alkylsulfates and polyoxyethylene alkyl ethers.
  • alkyl ether sulfates of formula (C) are considered to be equivalent to the alkylphenol ether sulfates of formula (B), in detergent formulations compounds of formula (C) are in practice limited to those wherein n represents a number of about 1 to 3, whereas compounds of formula (B) wherein n represents a number of about 1 to 40 are used in the sodium hypochlorite solutions. Although the latter compounds wherein n represents a large number are soluble in sodium hypochlorite, the resulting composition has an impractically poor shelf life, because after storage for a long period of time, sodium hypochlorite and the surfactant are decomposed greatly.
  • R R and R which can be the same or different, each represent alkyl of 1 to 18 carbon atoms, the sum of the carbon atoms of R R and R being 10 to 20; and X represents SO M, CH COOM, -CI-l CI-1 COOM, (CI-I CH O),,SO M or (CH C- H O),,CI-I COOM, wherein n is an integer of l to 40 and M is an alkali metal, derived from B,B-dialkyl-substituted monohydric alcohols, are soluble in aqueous sodium hypochlorite solutions and they form with sodium hypochlorite stable composiitions without causing serious decomposition of the sodium hypochlorite.
  • the compounds of formula I can be used as surfactants and they have, in aqueous alkaline sodium hypochlorite solutions, a deterging power equivalent to that of the above-mentioned surfactants contained in general purpose synthetic detergent compositions.
  • a liquid detergent bleaching composition in which the bleaching power and sterilizing power of sodium hypochlorite have been improved by addition of the surfactant of formula 1 and which composition has been further provided with a satisfactory deterging effect.
  • sodium hypochlorite is converted to an aqueous alkaline solution thereof by adding an alkaline substance such as sodium hydroxide, potassium hydroxide, sodium carbonate or sodium orthophosphate, because sodium hypochlorite is easily stabilized in an aqueous alkaline solution.
  • an alkaline substance such as sodium hydroxide, potassium hydroxide, sodium carbonate or sodium orthophosphate
  • the compounds of the aboveformula I are obtained by synthesizing tertiary carboxylic acids, reducing the resulting tertiary carboxylic acids into alcohols with lithium aluminum hydride or the'like and then converting the alcohols into sulfonated or carboxylated products by a known method to obtain the corresponding surfactants of formula 1.
  • the reaction scheme is shown below:
  • Sodium hypochlorite is prepared by introducing chlorine into sodium hydroxide. By this reaction, sodium chloride is by-produced in substantially the same amount as sodium hypochlorite. The sodium chloride thus by-produced is removed, if necessary, before use of the sodium hypochlorite.
  • the liquid detergent bleaching composition of the present invention consists essentially of (a) 0.5 to wt. preferably 1 to 7 wt. of sodium hypochlorite, (b) 0.1 to wt. preferably 0.5 to 8 wt. of a surfactant of the above general formula I, (c) 0.1 to 5 wt. preferably 0.5 to 2 wt. of water-soluble alkaline substance and the balance is water. If necessary, a perfume, another chlorine-resistant surfactant, chlorine-resistant fluorescent dye, etc, can be added thereto.
  • EXAMPLE 2 A liquid detergent bleaching agent of the following composition was heated at 90C. for 5 hours. The available chlorine concentration in the sodium hypochlorite was measured before and after the heating to establish the degree of decomposition of sodium hypochlorite that occurred as a result of the heating.
  • R R and R which can be the same or different, each is alkyl having l to 18 carbon atoms, the sum of the carbon atoms of R R and R being from 10 to 20, and X is -SO M, CH
  • composition as claimed in claim 1 consisting essentially of from 1 to 7 percent by weight of sodium hypochlorite, from 0.5 to 8 percent by weight of said surfactant, from 0.5 to 2 percent by weight of said alkali and the balance water.

Abstract

A liquid detergent bleaching composition comprising an alkaline aqueous solution of sodium hypochlorite, which solution contains a surfactant having the formula
wherein R1, R2 and R3, which can be the same or different, each is alkyl of 1 to 18 carbon atoms, the sum of the carbon atoms of R1, R2 and R3 being 10 to 20; and X is -SO3M, -CH2COOM, CH2CH2COOM, -(CH2CH2O)nSO3M or -(CH2CH2O)n-COOM, wherein n is an integer of 1 to 40 and M is an alkali metal.

Description

trllii fei.
Nakagawa et al.
[ Dec. 30, 1975 LIQUID DETERGENT BLEACHING COMPOSITION lnventors: Yunosuke Nakagawa, Koshigaya;
Yoshiaki lnamoto; Koji Aigami, both of Wakayama, all of Japan Assignee: Kao Soap Co., Ltd., Tokyo, Japan Filed: Dec. 9, 1974 Appl. No.: 531,226
Foreign Application Priority Data Dec. ll, 1973 Japan 48-139338 U.S. Cl. 252/103; 8/108; 252/99 Int. Cl. CllD 7/56 Field of Search 252/103, 99; 8/108 References Cited FOREIGN PATENTS OR APPLICATIONS 3/1970 Japan 252/103 Primary Examiner-Mayer Weinblatt Attorney, Agent, or Firm-Woodhams, Blanchard and Flynn [57] ABSTRACT A liquid detergent bleaching composition comprising an alkaline aqueous solution of sodium hypochlorite, which solution contains a surfactant having the formula wherein R R and R which can be the same or dif ferent, each is alkyl of 1 to 18 carbon atoms, the sum of the carbon atoms of R R and R being 10 to 20; and X is SO M, CH COOM, CH CH COOM, (CH CH O),,SO M or (CH CH O),,COOM, wherein n is an integer of 1 to 40 and M is an alkali metal.
7 Claims, No Drawings LIQUID DETERGENT BLEACHING COMPOSITION BACKGROUND OF THE INVENTION 5 1. Field of the Invention This invention relates to a liquid detergent bleaching composition possessing an excellent storage stability. The liquid detergent bleaching composition is an alkaline aqueous solution of sodium hypochlorite and contains therein a special surfactant which is scarcely decomposed after storage for a long period of time.
2. Description of the Prior Art Sodium hypochlorite is now used widely for the purposes of bleaching, sterilization and deodorization. Sodium hypochlorite is also used for disinfection of tableware in public eating facilities, including company cafeterias and restaurants, and also for bleaching textiles and for deodorization of washrooms and plumbing in-households because of its lowcost. It has been demanded by users to provide an improved wetting or penetrating property to sodium hypochlorite solutions, and to improve the bleaching and sterilizing powers thereof.
For this purpose, the use of a penetrating agent is necessary. However, if a general purpose surfactant of the type generally used in household soaps or synthetic detergent compositions is added to sodium hypochlorite, decomposition of sodium hypochlorite is promoted in aqueous systems and the surfactant is insoluble therein or an oxidation reaction or decomposition occurs whereby stable compositions cannot be obtained. As synthetic detergents, there are in general use anionic and nonionic surfactants such as sodium alkylbenzene sulfonates, sodium alkylsulfates and polyoxyethylene alkyl ethers. However, those compounds cannot be incorporated in aqueous sodium hypochlorite solutions so as to form stable compositions, because they are salted out or decomposed and they promote decomposition of sodium hypochlorite in strong aqueous sodium hypochlorite solutions.
Attempts to attain the above object by dissolving special surfactants in aqueous sodium hypochlorite solutions have been made. As the surfactants, there have been suggested, for example, sodium alkyldiphenyl ether disulfonate of the following formula (A) (Japanese patent publication No. 6268/1963):
O Na SO Na R-Q- O- (CH CH O) SO Na and sodium alkyl ether sulfate of the following formula 65 Those surfactants have two or more hydrophilic groups such as SO Na and (CH CH O),,. Among the above surfactants, those having a benzene nucleus (shown in formulae (A) and (B) are poor in biological degradability in waste water after they have been used. Therefore, it is preferred to use benzenefree surfactants such as those of formula (C). Although the alkyl ether sulfates of formula (C) are considered to be equivalent to the alkylphenol ether sulfates of formula (B), in detergent formulations compounds of formula (C) are in practice limited to those wherein n represents a number of about 1 to 3, whereas compounds of formula (B) wherein n represents a number of about 1 to 40 are used in the sodium hypochlorite solutions. Although the latter compounds wherein n represents a large number are soluble in sodium hypochlorite, the resulting composition has an impractically poor shelf life, because after storage for a long period of time, sodium hypochlorite and the surfactant are decomposed greatly.
SUMMARY OF THE INVENTION We have discovered that the compounds of the formula wherein R R and R which can be the same or different, each represent alkyl of 1 to 18 carbon atoms, the sum of the carbon atoms of R R and R being 10 to 20; and X represents SO M, CH COOM, -CI-l CI-1 COOM, (CI-I CH O),,SO M or (CH C- H O),,CI-I COOM, wherein n is an integer of l to 40 and M is an alkali metal, derived from B,B-dialkyl-substituted monohydric alcohols, are soluble in aqueous sodium hypochlorite solutions and they form with sodium hypochlorite stable composiitions without causing serious decomposition of the sodium hypochlorite. The compounds of formula I can be used as surfactants and they have, in aqueous alkaline sodium hypochlorite solutions, a deterging power equivalent to that of the above-mentioned surfactants contained in general purpose synthetic detergent compositions. On the basis of this discovery, we have provided a liquid detergent bleaching composition in which the bleaching power and sterilizing power of sodium hypochlorite have been improved by addition of the surfactant of formula 1 and which composition has been further provided with a satisfactory deterging effect. Before blending of the compounds of formula I, sodium hypochlorite is converted to an aqueous alkaline solution thereof by adding an alkaline substance such as sodium hydroxide, potassium hydroxide, sodium carbonate or sodium orthophosphate, because sodium hypochlorite is easily stabilized in an aqueous alkaline solution.
The compounds of the aboveformula I are obtained by synthesizing tertiary carboxylic acids, reducing the resulting tertiary carboxylic acids into alcohols with lithium aluminum hydride or the'like and then converting the alcohols into sulfonated or carboxylated products by a known method to obtain the corresponding surfactants of formula 1. The reaction scheme is shown below:
CH CH Sodium hypochlorite is prepared by introducing chlorine into sodium hydroxide. By this reaction, sodium chloride is by-produced in substantially the same amount as sodium hypochlorite. The sodium chloride thus by-produced is removed, if necessary, before use of the sodium hypochlorite.
The liquid detergent bleaching composition of the present invention consists essentially of (a) 0.5 to wt. preferably 1 to 7 wt. of sodium hypochlorite, (b) 0.1 to wt. preferably 0.5 to 8 wt. of a surfactant of the above general formula I, (c) 0.1 to 5 wt. preferably 0.5 to 2 wt. of water-soluble alkaline substance and the balance is water. If necessary, a perfume, another chlorine-resistant surfactant, chlorine-resistant fluorescent dye, etc, can be added thereto.
The present invention will be further described by reference to the following illustrative Examples.
EXAMPLE 1 DTBP C H CH=CH +H COOH C H COOH l-Decene was reacted with isobutyric acid in the presence of di-tert.-butyl peroxide (DTBP) at 140C. as shown by the above reaction to synthesize the corresponding tertiary carboxylic acid. The tertiary carboxylic acid thus obtained was then reduced to an alcohol in the presence of lithium aluminum hydride, then sulfonated with S0 and finally neutralized with sodium hydroxide to obtain a surfactant of the formula:
Two parts by weight of the surfactant were dissolved in 48 parts by weight of water at room temperature. The resulting solution was mixed with 50 parts by weight of an alkaline aqueous sodium hypochlorite solution containing 12 wt. of sodium hypochlorite, 0.5 wt. of sodium chloride and 2.0 wt. of sodium hydroxide. The condition of the mixture was observed. For comparison, the same operation was repeated by using sodium n-dodecylsulfate (C H OSO Na) and the condition of that product was observed.
As a result, it was noted that a transparent solution was obtained when the surfactant of the present invention was used at room temperature, whereas a transparent solution was not obtained, but rather white turbidity and precipitation occured when sodium n-dodecylsulfate was used as surfactant at room temperature.
EXAMPLE 2 A liquid detergent bleaching agent of the following composition was heated at 90C. for 5 hours. The available chlorine concentration in the sodium hypochlorite was measured before and after the heating to establish the degree of decomposition of sodium hypochlorite that occurred as a result of the heating.
(control) The results were as follows:
Available chlorine concentration Surfactant used Before heating After heating 1 (present 570 3.05
invention) ll (comparative) 5.70 2.70
Thus, as compared with conventional surfactant [1, the degree of decomposition of sodium hypochlorite was smaller and the storage stability was improved when the surfactant I of the present invention was used.
EXAMPLE 3 A detergent bleaching agent of the following composition was prepared:
Cl--l C H ,iCH O(Cl-l Cl-l O) SO Na 3.0 wt.
a C H OSO Na 1.0 wt. Sodium hypochlorite 5.0 wt. Sodium hydroxide 1.0 wt. Water Balance The detergent bleaching agent was in the form of a transparent stable solution, which exhibited excellent deterging and bleaching powers in washing diapers.
The available chlorine remaining after storage at room temperature for 6 months was 90 (percent of original available chlorine).
EXAMPLE 4 A detergent bleaching agent of the following composition was prepared:
. 2H5 Sodium hypochlorite 2.0 wt. Sodium chloride I.0 wt. Sodium hydroxide 4.0 wt. Water Balance wherein R R and R which can be the same or different, each is alkyl having l to 18 carbon atoms, the sum of the carbon atoms of R R and R being from 10 to 20, and X is -SO M, CH
5 COOM, CH CH COOM, (Cl-I CH O),, M or (CH CH O ),,CH COOM, wherein n is an integer from 1 to 40 and M is an alkali metal c. from 0.1 to percent by weight of a water-soluble inorganic alkali effective for stabilizing said sodium hypochlorite in aqueous alkaline solution, and
d. the balance water.
2. A composition as claimed in claim 1, consisting essentially of from 1 to 7 percent by weight of sodium hypochlorite, from 0.5 to 8 percent by weight of said surfactant, from 0.5 to 2 percent by weight of said alkali and the balance water.
3. A composition as claimed in claim 1, in which said alkali is selected from the group consisting of sodium hydroxide, potassium hydroxide, sodium carbonate and sodium orthophosphate.
4. A composition as claimed in claim 1 in which said surfactant has the formula 5. A composition as claimed in claim 1 in which said surfactant has the formula 6. A composition as claimed in claim 1 in which said surfactant has the formula 7. A composition as claimed in claim 1 in which said surfactant has the formula C H- -CH O(CH CH O) CH COONa

Claims (7)

1. A LIQUID DETERGENT BLEACHING COMPOSITION, CONSISTING ESSENTIALLY OF A STABILIZED, ALKALINE, AQUEOUS SOLUTION OF A. FROM 0.5 TO 10 PERCENT BY WEIGHT OF SODIUM HYPOCHLORITE, B. FROM 0.1 TO 20 PERCENT BY WEIGHT OF SURFACTANT HAVING THE FORMULA
2. A composition as claimed in claim 1, consisting essentially of from 1 to 7 percent by weight of sodium hypochlorite, from 0.5 to 8 percent by weight of said surfactant, from 0.5 to 2 percent by weight of said alkali and the balance water.
3. A composition as claimed in claim 1, in which said alkali is selected from the group consisting of sodium hydroxide, potassium hydroxide, sodium carbonate and sodium orthophosphate.
4. A composition as claimed in claim 1 in which said surfactant has the formula
5. A composition as claimed in claim 1 in which said surfactant has the formula
6. A composition as claimed in claim 1 in which said surfactant has the formula
7. A composition as claimed in claim 1 in which said surfactant has the formula
US531226A 1973-12-11 1974-12-09 Liquid detergent bleaching composition Expired - Lifetime US3929661A (en)

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GB (1) GB1466610A (en)

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4057505A (en) * 1975-07-14 1977-11-08 Kao Soap Co., Ltd. Liquid cleaning and bleaching composition
US4071463A (en) * 1975-09-11 1978-01-31 The Dow Chemical Company Stable cleaning agents of hypochlorite bleach and detergent
US4116851A (en) * 1977-06-20 1978-09-26 The Procter & Gamble Company Thickened bleach compositions for treating hard-to-remove soils
US4174289A (en) * 1977-07-27 1979-11-13 Basf Wyandotte Corporation Liquid detergent-bleach concentrates having high alkalinity
US4235732A (en) * 1978-02-08 1980-11-25 The Procter & Gamble Company Liquid bleaching compositions
EP0072600A1 (en) * 1981-08-15 1983-02-23 Stamicarbon B.V. Aqueous bleaching agent with cleaning action
US4388204A (en) * 1982-03-23 1983-06-14 The Drackett Company Thickened alkali metal hypochlorite compositions
US4399050A (en) * 1980-05-13 1983-08-16 Sandoz Products Limited Bleach composition
US4594175A (en) * 1984-08-29 1986-06-10 Economics Laboratory, Inc. Mechanical dishwashing rinse composition having a low foaming sulfonic acid rinsing agent, a hydrotrope and a source of active halogen
US4599186A (en) * 1984-04-20 1986-07-08 The Clorox Company Thickened aqueous abrasive scouring cleanser
US4657692A (en) * 1984-04-20 1987-04-14 The Clorox Company Thickened aqueous abrasive scouring cleanser
US4711738A (en) * 1984-08-29 1987-12-08 Ecolab Inc. Mechanical dishwashing rinse composition having a low foaming sulfonic acid rinsing agent and a source of active halogen
US4772414A (en) * 1986-07-24 1988-09-20 Ppg Industries, Inc. Bleaching composition
US4789495A (en) * 1987-05-18 1988-12-06 The Drackett Company Hypochlorite compositions containing a tertiary alcohol
EP0984059A1 (en) * 1998-09-01 2000-03-08 The Procter & Gamble Company Bleaching compositions
US6506718B1 (en) 1998-09-01 2003-01-14 The Procter & Gamble Company Bleaching compositions
US20040168260A1 (en) * 2003-02-27 2004-09-02 Lawnie Taylor Methods and equipment for removing stains from fabrics
US20060225224A1 (en) * 2005-04-08 2006-10-12 Taylor Lawnie H Formation of patterns of fades on fabrics
US20070287652A1 (en) * 2006-06-07 2007-12-13 Lhtaylor Assoc, Inc. Systems and methods for making stable, cotton-gentle chlorine bleach and products thereof
US7582596B1 (en) * 2002-11-06 2009-09-01 Taylor Lawnie H Products, methods and equipment for removing stains from fabrics using an alkali metal hydroxide/hypochlorite salt mixture

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JPS5278905A (en) * 1975-12-26 1977-07-02 Lion Corp Basic detergent for hard surface
GB9213578D0 (en) * 1992-06-26 1992-08-12 Unilever Plc Improvements to bleaching compositions
GB9307804D0 (en) * 1993-04-15 1993-06-02 Unilever Plc Hygienic spray cleaner
MA23234A1 (en) * 1993-06-28 1994-12-31 Procter & Gamble LOW FOAMING LIQUID DETERSIVE COMPOSITIONS.
DE19926627A1 (en) * 1999-06-11 2000-12-14 Henkel Kgaa Bleach and disinfectant
CN104531382A (en) * 2014-12-04 2015-04-22 内蒙古河西航天科技发展有限公司 Alkaline chlorine-containing foam detergent

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US3663442A (en) * 1970-02-09 1972-05-16 Purex Corp Ltd Household bleach having stable opacifier

Cited By (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4057505A (en) * 1975-07-14 1977-11-08 Kao Soap Co., Ltd. Liquid cleaning and bleaching composition
US4071463A (en) * 1975-09-11 1978-01-31 The Dow Chemical Company Stable cleaning agents of hypochlorite bleach and detergent
US4116851A (en) * 1977-06-20 1978-09-26 The Procter & Gamble Company Thickened bleach compositions for treating hard-to-remove soils
US4174289A (en) * 1977-07-27 1979-11-13 Basf Wyandotte Corporation Liquid detergent-bleach concentrates having high alkalinity
US4235732A (en) * 1978-02-08 1980-11-25 The Procter & Gamble Company Liquid bleaching compositions
US4399050A (en) * 1980-05-13 1983-08-16 Sandoz Products Limited Bleach composition
EP0072600A1 (en) * 1981-08-15 1983-02-23 Stamicarbon B.V. Aqueous bleaching agent with cleaning action
US4388204A (en) * 1982-03-23 1983-06-14 The Drackett Company Thickened alkali metal hypochlorite compositions
US4599186A (en) * 1984-04-20 1986-07-08 The Clorox Company Thickened aqueous abrasive scouring cleanser
US4657692A (en) * 1984-04-20 1987-04-14 The Clorox Company Thickened aqueous abrasive scouring cleanser
US4594175A (en) * 1984-08-29 1986-06-10 Economics Laboratory, Inc. Mechanical dishwashing rinse composition having a low foaming sulfonic acid rinsing agent, a hydrotrope and a source of active halogen
US4711738A (en) * 1984-08-29 1987-12-08 Ecolab Inc. Mechanical dishwashing rinse composition having a low foaming sulfonic acid rinsing agent and a source of active halogen
US4772414A (en) * 1986-07-24 1988-09-20 Ppg Industries, Inc. Bleaching composition
US4789495A (en) * 1987-05-18 1988-12-06 The Drackett Company Hypochlorite compositions containing a tertiary alcohol
EP0984059A1 (en) * 1998-09-01 2000-03-08 The Procter & Gamble Company Bleaching compositions
US6506718B1 (en) 1998-09-01 2003-01-14 The Procter & Gamble Company Bleaching compositions
US6649583B2 (en) 1998-09-01 2003-11-18 Procter & Gamble Company Bleaching compositions
WO2000012668A1 (en) * 1998-09-01 2000-03-09 The Procter & Gamble Company Bleaching compositions
US7585829B1 (en) * 2002-11-06 2009-09-08 Taylor Lawnie H Products, methods and equipment for removing stains from fabrics
US8846597B2 (en) * 2002-11-06 2014-09-30 LH Taylor Associates Cotton-gentle hypochlorite bleach
US8349788B2 (en) * 2002-11-06 2013-01-08 Lawnie Henderson Taylor Cotton-gentle hypochlorite bleach
US20060281657A1 (en) * 2002-11-06 2006-12-14 Taylor Lawnie H Methods and equipment for removing stains from fabrics
US20120080535A1 (en) * 2002-11-06 2012-04-05 Lawnie Henderson Taylor Cotton-gentle hypochlorite bleach
US7582596B1 (en) * 2002-11-06 2009-09-01 Taylor Lawnie H Products, methods and equipment for removing stains from fabrics using an alkali metal hydroxide/hypochlorite salt mixture
US7582595B1 (en) * 2002-11-06 2009-09-01 Taylor Lawnie H Hypochlorous acid/alkali metal hydoxide-containing products, methods and equipment for removing stains from fabrics
US7582597B1 (en) * 2002-11-06 2009-09-01 Taylor Lawnie H Products, methods and equipment for removing stains from fabrics
US7109157B2 (en) * 2003-02-27 2006-09-19 Lawnie Taylor Methods and equipment for removing stains from fabrics using a composition comprising hydroxide and hypochlorite
US20040168260A1 (en) * 2003-02-27 2004-09-02 Lawnie Taylor Methods and equipment for removing stains from fabrics
US7628822B2 (en) 2005-04-08 2009-12-08 Taylor Lawnie H Formation of patterns of fades on fabrics
US20060225224A1 (en) * 2005-04-08 2006-10-12 Taylor Lawnie H Formation of patterns of fades on fabrics
US20070287652A1 (en) * 2006-06-07 2007-12-13 Lhtaylor Assoc, Inc. Systems and methods for making stable, cotton-gentle chlorine bleach and products thereof

Also Published As

Publication number Publication date
GB1466610A (en) 1977-03-09
JPS5089280A (en) 1975-07-17
DE2458100C3 (en) 1980-11-13
DE2458100B2 (en) 1980-03-27
FR2253826B1 (en) 1976-10-22
JPS565800B2 (en) 1981-02-06
FR2253826A1 (en) 1975-07-04
DE2458100A1 (en) 1975-06-12

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