US3697453A - Iminodisuccinic acid salts as detergent builders - Google Patents
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- US3697453A US3697453A US122195A US3697453DA US3697453A US 3697453 A US3697453 A US 3697453A US 122195 A US122195 A US 122195A US 3697453D A US3697453D A US 3697453DA US 3697453 A US3697453 A US 3697453A
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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
- C11D3/16—Organic compounds
- C11D3/26—Organic compounds containing nitrogen
- C11D3/33—Amino carboxylic acids
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Abstract
THE WATER-SOLUBLE SALTS OF IMINODISUCCINIC ACID ARE USED AS DETERGENT BUILDERS IN CLEANING AND LAUNDERING COMPOSITIONS WITH AN ORGANIC WATER-SOLUBLE DETERGENT SURFACTANT SUCH AS ANIONIC, NONIONIC, ZWITTERIONIC, AND AMPHOTERIC DETERGENT SURFACTANTS OR MIXTURES THEREOF.
Description
United States Patent O 3,697,453 IMINODISUCCINIC ACID SALTS AS DETERGENT BUILDERS Bryce E. Tate, Niantic, and Rudolph G. Berg, Grotou, Conn., assignors t Pfizer Inc., New York, N.Y. No Drawing. Filed Mar. 8, 1971, Ser. No. 122,195 Int. Cl. Clld 3/26 US. Cl. 252--546 4 Claims ABSTRACT OF THE DISCLOSURE The water-soluble salts of iminodisuccinic acid are used as detergent builders in cleansing and laundering compositions with an organic water-soluble detergent surfactant such as anionic, nonionic, zwitterionic, and amphoteric detergent surfactants or mixtures thereof.
BACKGROUND OF THE INVENTION The present invention relates to the use of iminodisuccinic acid as a detergent builder in cleansing and laundering compositions.
There is great concern that the phosphate compounds such as sodium tripolyphosphate (STPP) used as detergent builders are causing pollution of natural waters through stimulation of increased plant growth (eutrophication). Consequently, an intensive search is underway for non-phosphate builders. Prior art has shown that the salts of nitrilotriacetic acid (NTA), polyitaconic acid and polymaleic acid are very efiicient builders, but each suffers from some disadvantage.
SUMMARY OF THE INVENTION Chelation of metals, such as calcium or magnesium, and buffering action effective under alkaline conditions are two important functions of builders. It has been discovered that iminodisuccinic acid salts chelate calcium effectively, and also possess buffering action at higher pHs than many organic acid salts. For these reasons, the water soluble salts of iminodisuccinic acid, including among others the alkali metal, ammonium, and alkylammonium salts (or their mixtures) can be used as detergent builders in a variety of formulations without the concomitant undesirable side effects produced by other non-phosphate builders.
Said salts must be used in combination with an organic, water-soluble detergent surfactant which may be anionic, nonionic, zwitterionic, or amphoteric. The use of additional ingredients to make the completed cleansing and laundering composition is not intended to be excluded.
The ratio of total builder to detergent surfactant in the cleansing and laundening composition may vary from about 1:4 to about 10:1 by Weight, with a ratio of from about 1:2 to about 5:1 being preferred. Said composition should provide in solution a pH of from about 9 to about 12.
DETAILED DESCRIPTION OF T HE INVENTION The essential ingredients in the detergent composition of this invention are (a) an organic water-soluble detergent surface active substance as defined and illustrated below and (b) water soluble salts of iminodisuccinic acid which served as a detergent builder. Anionic, nonionic, zwitterionic, and amphoteric detergent compounds and mixtures thereof are examples of detergent surface active substances which can be used within the compositions of this invention. The materials are described below in more detail.
(a) Anionic detergent compositions, in this invention, include both soap and non-soap detergent compounds. Examples of suitable soaps are the sodium, potassium, ammonium and al'kylolammonium salts of higher fatty ice acids (C -C Sodium or potassium salts of the mixtures of fatty acids derived from coconut oil and tallow are particularly useful. Examples of anionic organic nonsoap detergent compounds are water-soluble alkali metal salts of organic sulfuric reaction products incorporating an alkyl radical containing from about 8 to about 22 carbon atoms and a radical selected from the group consisting of sulfonic acid and sulfuric acid ester radicals. Important examples of anionic synthetic detergent compounds useful in the present invention are the sodium or potassium alkyl sulfates, especially those obtained by sulfating the higher alcohols (Cg-C18 carbon atoms) produced from tallow or coconut oil; sodium or potassium alkyl benzenesulfonates, such as are described in US. Letters Patents Nos. 2,220,009 and 2,477,383 in which the alkyl group contains from about 9 to about 15 carbon atoms; alkali metal alkylbenzene sulfonates in which the alkyl radical is a straight chain aliphatic radical (C -C carbon atoms); sodium alkyl glyceryl ether sulfonates, especially those derived from tallow and coconut oil; sodium salts of coconut oil fatty acid monoglyceride sulfates and sulfonates; sodium or potassium salts of sulfates of the reaction product of one mole of a higher fatty alcohol (e.g., tallow or coconut oil alcohols) and about 1 to 6 moles of ethylene oxide; sodium or potassium salts of the sulfates of the reaction products of one mole of an alkylphenol and 1 to about 10 moles of ethylene oxide in which the alkyl radicals contain about 9 to about 12 carbon atoms; the sodium salts of reaction products of fatty acids esterified with isethionic acid where, for example, the fatty acids are derived from coconut oil; and others known in the art, such as those of US. Letters Patents Nos. 2,486,921, 2,486,922 and 2,396,278.
(b) Nonionic synthetic detergents are compounds which do not ionize in aqueous solution. Suitable nonionic synthetic detergents include:
(1) The condensation products of alkyl phenols having an alkyl group containing from about 6 to 12 carbon atoms with ethylene oxide, the said ethylene oxide being present in amounts equal to 10 to 25 moles of ethylene oxide per mole of alkyl phenol.
(2) The condensation products of aliphatic alcohols having from 8 to 18 carbon atoms with from about 8 to 35 moles of ethylene oxide per mole of alcohol; i.e., a coconut alcohol-ethylene oxide condensate.
(3) The condensation product of ethylene oxide and the hydrophobic product of condensation of propylene oxide with propylene glycol; i.e., the commercially available detergent under the trademark name of Pluronic.
(4) The condensates of ethylene oxide with the product resulting from the reaction of propylene oxide and ethylenediamine. For example, compounds containing approximately 40-80% polyoxyethylene by Weight and having a molecular weight of about 5,-0O0-11,000 resulting from the reaction of ethylene oxide groups with a hydrophobic base formed by reaction of ethylene diamine and excess propylene oxide, said hydrophobic base having a molecular weight of the order of 2,500 to 3,000, are satis factory.
(5) Long chain tertiary amine oxides of the general formula, R R R N O, wherein R is an alkyl radical of from about 8 to 18 carbon atoms, and R and R are each methyl or ethyl radicals. Examples of amine oxides suitable for use in this invention include dimethyldodecylamine oxide, dimethyloctylamine oxide, dimethyldecylamine oxide, dimethyltetradecylamine oxide, dimethylhexadecylamine oxide.
(6) Long chain tertiary phosphine oxides corresponding to the following formula RRR"P- 0, wherein R is an alkyl, alkenyl or monohydroxyalkyl radical ranging from 10 to 18 carbon atoms in chain length and R and R are each alkyl or monohydroxyalkyl groups containing from 1 to 3 carbon atoms. Examples of suitable phosphine oxides are:
dimethyldodecylphosphine oxide dimethyltetradecylphosphine oxide dimethylstearylphosphine oxide cetylethylpropylphosphine oxide diethyltetradecylphosphine oxide bis(hydroxymethyl)dodecylphosphine oxide 2-hydroxypropylmethyltetradecylphosphine oxide dimethyloleylphosphine oxide dimethyl-Z-hydroxydodecylphosphine oxide (7) Dialkyl sulfoxides of the formula, RR'S- 0, wherein R is an alkyl, alkenyl, betaor gamma-monohydroxyalkyl radical or an alkyl or betaor gamma-monohydroxyalkyl, radical containing one or two other oxygen atoms in the chain, the R groups ranging from to 18 carbon atoms in chain length, and wherein R is methyl or ethyl. Examples of suitable sulfoxide compounds are:
dodecyl methylsulfoxide tetradecyl methyl sulfoxide 2-hydroxydodecyl methyl sulfoxide 3-hydroxy 4-dodecoxybutyl methyl sulfoxide dodecylethyl sulfoxide 2-hydroxydodecyl ethyl sulfoxide (c) The class of amphoteric synthetic detergents includes derivatives of aliphatic secondary and tertiary amines, in which one of the aliphatic substituents contains from about 8 to 18 carbon atoms and one contains an anionic water solubilizing group. Examples of compounds of this group are sodium-3-dodecylaminoproprionate and sodium-3-dodecylaminopropanesulfonate.
(d) Zwitterionic synthetic detergents are derivatives of aliphatic quaternary ammonium compounds in which one of the aliphatic substituents contains from about 8 to 18 carbon atoms and one contains an anionic water solubilizing group. Examples of such compounds are 3-(N,N- dimethyl-N-hexadecylammonio)propane-l-sulfonate and 3 (N,N-dimethyl-N-hexadecylammonio) 2 hydroxypropane-l-sulfonate.
The anionic, nonionic, amphoteric and switterionic detergent surfactants described above can be used singly or in combination in the practice of the present invention. The above examples. are merely specific illustrations of the. numerous detergents which can find application within the scope of this invention.
A variety of water-soluble salts of iminodisuccinic acid, either neutralized or partially neutralized, may be used as builders in the formulations of this invention. The preferred saltsinclude, among others, the alkali metal salts, ammonium salts, and substituted ammonium salts, i.e., the alkylammonium salts. Especially preferred are the triand tetrasodium salts.
In addition to the detergents and iminodisuccinic acid salts hereinbefore described, the detergent compositions can also contain from 0% to about 40% by weight of the composition of supplementary builders. Both inorganic and organic supplementary builders may be used. Examples of water-soluble inorganic alkaline detergency builder salts are alkali metal carbonates, bicarbonates, silicates, borates, phosphates, and polyphosphates. Specific examples of such salts are sodium carbonates, silicates (SiO :Na 0=2:1), tripolyphosphates, pyrophosphates, phosphates, and",hexametaphosphates. Examples of organic alkaline sequestrant builder salts are (l) alkali metal amino polycarboxylates (e.g., sodium and potassium ethylenediaminetetraacetates, N (2 hydroxyethyl)-.- ethylenediaminetriacetates, nitrilotriacetates, and N- (2- hydroxyethyl)-nitrilodiacetates); (2) alkali metal citrates; and (3) alkali metal salts of phytic acid (e.g., sodium and potassium phytates-see US. Pat. 2,739,942); (4) watersoluble salts of 'alkylidene 1,1-diphosphonates such as methylene diphosphonates, substituted methylene diphosphonates and ethane-l-hydroxy-l,l-diphosphonate; and (5) water soluble salts of polycarboxylic polymers and copolymers as described in US. Pat. No. 3,308,067.
In a finished detergent formulation of this invention minor amounts of materials which make the product more effective or more attractive may be added. Examples of such materials include soluble sodium carboxymethylcellulose (to inhibit soil redeposition), benzotriazole or ethylenethiourea (tarnish inhibitors), detergent proteases or amylases, fluorescers, perfumes, and colors. Alkaline materials such as sodium hydroxide or potassium hydroxide can be added in minor amounts as supplementary pI-I adjusters. In some formulations addition of water, brightening agents, bleaching agents, sodium sulfate, and sodium carbonate may be desirable. Soluble silicates are highly effective corrosion inhibitors and are useful for this function in addition to imparting properties such as alkalinity associated with detergent builders. Alkali metal, preferably potassium or sodium, silicates having a weight ratio of Si0g:M O of from 1:1 to 2.8:1 can be used. M in this ratio refers to sodium or potassium. In built liquid detergents of this invention, a hydrotropic agent may at times be found desirable. Suitable hydrotropes are water soluble alkali metal salts of toluenesulfonate, benzenesulfonate, and xylenesulfonate.
Cleaning effectiveness of the builders of this invention is dependent upon, and will vary with a number of factors. These include detergent formulation variables such as amount of builder, concentration of formulated detergent in the wash solution, temperature of the solution, hardness of the water, degree and type of soiling, and type of fabric. Detergents using the builders of this invention may be formulated for either general or specialized uses into any of the several commercially desirable composition forms for example, granular, flake, liquid and tablet forms.
The following examples serve to illustrate, but not limit, the novel compositions of the present invention.
PREPARATION A To a 500 cc. beaker is added 5.0 g. iminodisuccinic acid hydrate and 150 cc. water (pH 2.5). 1 N NaOH is added dropwise with stirring to a total of cc. The solution is then concentrated by drying in vacuo. The product, tetras-odium iminodisuccinate, amounts to 4.5 g. and on heating, decomposes without melting. The pH of a solution of the tetrasodium salt is approximately 11.
The calcium chelation effectiveness of iminodisuccinic acid tetrasodium salt is demonstrated by the following turbimetric titration with calcium acetate. About one gram of iminodisuccinic acid is suspended in about 20 ml. of deionized water and the pH is raised to 1'0 with 20% sodium hydroxide. Five ml. of 2% sodium carbonate solution is added and the pH is adjusted to 11.5-12.0. After dilution to 50 ml., the solution is titrated to a permanent turbidity with 0.25 M calcium acetate. A 1.35 g. sample of iminodisuccinic acid monohydrate required 19.9 ml. of calcium acetate solution, which is equivalent to 3.95 mmole calcium carbonate/g. (dry basis) or 0.98 mole/mole.
EXAMPLE I A granular detergent composition giving excellent cleanmg when used in laundering applications has the following composition in the percentages indicated:
The tetrasodium iminodisuccinate builder in Example I can be replaced at an equal iminodisuccinic acid percentage basis by other iminodisuccinic acid salts such as the tetrapotassium salt or a mixture of the triand tetrasodium salts.
EXAMPLE II Another excellent granular detergent composition providing effective cleaning during laundering of a broad variety of soiled fabrics has the following composition:
Percent Sodium dodecyl benzenesulfonate (dodecyl group being a straight chain aliphatic radical) 10 Alkyl (C phenol-11 ethylene oxide condensate 4 Tallow fatty acid sodium salt 3.5 Tetrasodium iminodisuccinate 40 Sodium silicate (ratio of SiO :Na 'O of 2:1) 8 Sodium sulfate 24.5 Water 10 EXAMPLE III Excellent cleaning results are obtained using a granular heavy duty detergent composition prepared according to this invention and having the following ingredients:
Percent Sodium dodecylbenzenesulfonate (dodecyl group derived from a straight chain hydrocarbon) 10.0 Tallow alcohol sulfate 6.0 Coconut oil diethanol amide 2.0 Tetrasodium iminodisuccinate 5.0 Sodium silicate (ratio of 'SiO rNa O of 2: 1) 6.0 Sodium carboxymethyl cellulose 1.0 Sodium sulfate 14.0 Water 6.0
Any of the other iminodisuccinic acid builder salts given in Example I may be substituted for the above tetrasodium salt.
EXAMPLE IV A build liquid detergent composition which performs well in either laundering or dishwashing applications has the following composition:
Percent Sodium dodecylbenzenesulfonate (the dodecyl radical being a straight chain aliphatic radical) 7.0 Dimethyldodecylamine oxide 5 0 Tetrasodium iminodisuccinate 10.0 Trisodium citrate 10.0 Potassium toluenesulfonate 8.0 Sodium silicate (SiO :Na O of 2.45: 1) 3.5 Carboxymethyl hydroxyethyl cellulose 0.5 Water 56.0
EXAMPLE V Excellent cleaning and long term maintenance of whiteness are obtainable with a built liquid heavy duty cool water detergent of the following composition:
6 EXAMPLE v1 Another effective cool water heavy duty built granular composition consists of the following ingredients:
Percent Sodium dodecyl (straight chain) benzenesulfonate 18.0
Nonylphenol-ethylene oxide condensate 5.0 Tetrasodium iminodisuccinate 6.0 Sodium tripolyphosphate 12.0 Sodium sesquicarbonate 31.5 Sodium carboxymethylcellulose 1.0 Maxatase (a commercial detergent alkaline protease from a B. subtilis strainabout 3% active enzyme) 0.5 Water 26.0
EXAMPLE VII A useful, mildly alkaline detergent composition can be formulated from the following ingredients:
Percent Sodium 3-dodecylaminopropionate 20 Triethanolamine tr-is salt of iminodisuccinic acid 55 Sodium sulfate 25 EXAMPDE VIII An excellent built noni-onic liquid detergent of this invention has the following ingredients:
. Percent Condensation product of dodecylphenol and ethyleneoxide, 11 moles of ethylene oxide per mole of dodecyl phenol 12.0 Tetrapotassiumiminodisuccinate 35.0 Sodium silicate (SiO :Na O=2.5 :1) 8.0 Potassium toluene sulfonate 9.0 Water 36.0
EXAMPLE IX An effective laundry presoak has the following composition:
Percent Sodium dodecylbenzenesulfonate (straight chain dodecyl radical) (40% active) 10.0 Tetrasodium iminodisuccinate 40.0 Borax 12.0 Sodium metasilicate 5.0 Sodium sulfate 32.5
Maxatase (a commercial detergent alkaline protease from a B. subtilis strainabout 3% active enzyme) 0.5
EXAMPLE X The following low-phosphate formulation is useful for automatic machine dishwashing with hard water:
Percent Tetrasodium iminodisuccinate 50 Sodium tripolyphosphate l0 Trisodium phosphate 5 Sodium metasilicate pentahydrate 25 Fatty alcohol (C C )-ethylene ethoxide condensate L 3 Hexylene glycol 2 Isopropyl alcohol 1.5 Water 3.5
EXAMPLE XI An execellent anionic-nonionic laundry detergent has the following composition.
Percent Dodecylbenzenesulfonate (40% active LAS) 25 Octylphenol-ethylene oxide condensate (Triton v Sodium metasilicate 8 Tetrasodium iminodisuccinate 40 Sodium sulfate 17 7 EXAMPLE XII To exemplify the useful detergent building activity of salts of iminodisuccinic acid which is observed when said salts are incorporated into the formulations of Examples IXI above, results of wash tests using the formulation of Example XI are summarized below. The formulation of Example XI is compared with similar formulations in which the iminodisuccinic acid salt is-replaced by sodium tripolyphosphate or inactive sodium sulfate. The Terg-O-tometer (United States Testing Co., Inc., Hoboken, NJ.) was used to wash artificially soiled cotton swatches (B. J. Rutkowski, J. Am. Oil Chem. Soc., 44, 103, 1967) at 50 C. for 10 minutes in water of 150 p.p.m. .(CaCO hardness. The detergent formulations were used at the level of 2 g./ liter. Cleaning was calculated as percent soil removed (percent SR) or ASR in the following manner:
R washed-R soiled Percent S R m where R washed=reflectance of the washed swatches R soiled=reflectance of the soiled swatches R unsoiled=reflectance of the cloth before soiling TABLE 1.-CLEANING COMPARISONS FOR EXAMPLE XI FORMULATIONS 40% tetrasodium Sodium trlpolyv No builder iminodisuccinate phosphate Percent SR ...26.7 49.0 48.7 ASH 92 2 22,0
From Table 1 it is seen that the cleaning produced by the phosphate-free formulation containing the iminodi- 8 succinate builder is equivalent to the formulation containing 40% phosphate.
Similar cleaning results are observed for the other formulations incorporating the iminodisuccinic acid salts in Examples I-X above.
What is claimed is:
1. A detergent composition consisting essentially of (a) an organic water-soluble detergent surfactant selected from the group consisting of anionic, nonionic, zwitterionic, and amphoteric detergent surfactants and mixtures thereof, and as a builder a (b) water-soluble salt of iminodisuccinic acid wherein the ratio of said acid salt to detergent surfactant is from about 1:4 to 10:1, by weight and wherein in solution the pH is from about 9 to about 12.
2. The composition of claim 1 wherein the ratio of said iminodisuccinic acid salt to said detergent surfactant is from about 1:2. to about 5:1 by weight.
3. The composition of claim 1 wherein said surfactant is an alkali metal'salt of an alkyl sulfate of from 8 to 18 carbon atoms in the alkyl group.
-4. The composition of claim 1 wherein said surfactant is an alkali metal salt of an alkylbenzene sulfonate of from 9 to 15 carbon atoms in the alkyl group.
References Cited UNITED STATES PATENTS 3,635,830 1/ 1972 Lamberti 252544 2,594,294 4/ 1952 Cowan et a1 252-544 2,389,099 11/1945 Wenner ,260--534 E 3,077,487 2/1963 Rainsey et a1. 260534 E 3,269,908 8/1966 Fahey 260534 E 3,158,635 11/1964 Kezerian et a1 260534 E LEON R. ROSDOL, Primary Examiner W. E. SCHULZ, Assistant Examiner US. Cl. X.R. 252550, 558
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Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3966649A (en) * | 1972-09-28 | 1976-06-29 | Colgate-Palmolive Company | Liquid detergents containing chelidamic acids and salts thereof |
US4663071A (en) * | 1986-01-30 | 1987-05-05 | The Procter & Gamble Company | Ether carboxylate detergent builders and process for their preparation |
US4798907A (en) * | 1988-02-26 | 1989-01-17 | The Procter & Gamble Company | Controlled temperature process for making 2,2'-oxodisuccinates useful as laundry detergent builders |
EP0513948A2 (en) * | 1991-05-15 | 1992-11-19 | Hampshire Chemical Corporation | Hard-surface cleaning compositions containing biodegradable chelants |
US5362412A (en) * | 1991-04-17 | 1994-11-08 | Hampshire Chemical Corp. | Biodegradable bleach stabilizers for detergents |
JP2568015B2 (en) | 1991-12-26 | 1996-12-25 | 株式会社日本触媒 | Biodegradable detergent builders and cleaning compositions |
EP0783034A3 (en) * | 1995-12-22 | 1998-07-08 | Nitto Chemical Industry Co., Ltd. | Chelating agent and detergent comprising the same |
US5865851A (en) * | 1996-03-07 | 1999-02-02 | Reckitt & Colman Inc. | Home dry cleaning compositions |
US5908473A (en) * | 1996-03-07 | 1999-06-01 | Reckitt & Colman | Spot pretreatment compositions for home dry cleaning |
WO2000034427A1 (en) * | 1998-12-10 | 2000-06-15 | Unilever Plc | Detergent compositions |
WO2001046371A1 (en) * | 1999-12-21 | 2001-06-28 | Unilever Plc | Detergent compositions |
US6395696B2 (en) | 2000-06-02 | 2002-05-28 | Unilever Home & Personal Care Usa, Division Of Conopco, Inc. | Detergent compositions containing a cationic detergent and builder |
DE102007003885A1 (en) * | 2007-01-19 | 2008-07-24 | Lanxess Deutschland Gmbh | Use of a builder system comprising alkali metal tripolyphosphate and iminodisuccinic acid to produce automatic dishwasher formulations |
EP2045317A1 (en) * | 2007-10-04 | 2009-04-08 | Lanxess Deutschland GmbH | Liquid washing and cleaning agent |
US20090092568A1 (en) * | 2007-10-03 | 2009-04-09 | Zorbx Inc. | Deodorizing composition and method of forming thereof |
DE102008000029A1 (en) | 2008-01-10 | 2009-07-16 | Lanxess Deutschland Gmbh | Use of phosphate reduced building system comprising alkali tripolyphosphate and imino disuccinic acid, for manufacturing formulations e.g. for the automatic or mechanical dish cleaning and crockery cleaning machines on ships |
EP2392638A1 (en) * | 2010-06-04 | 2011-12-07 | Dalli-Werke GmbH & Co. KG | Low-hygroscopic particulate composition comprising one or more aminopolycarboxylate chelating compounds |
WO2018111285A1 (en) * | 2016-12-15 | 2018-06-21 | Colgate-Palmolive Company | Color protection in fabrics using citric acid and iminodisuccinate in fine fabric liquid detergent |
-
1971
- 1971-03-08 US US122195A patent/US3697453A/en not_active Expired - Lifetime
Cited By (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3966649A (en) * | 1972-09-28 | 1976-06-29 | Colgate-Palmolive Company | Liquid detergents containing chelidamic acids and salts thereof |
US4663071A (en) * | 1986-01-30 | 1987-05-05 | The Procter & Gamble Company | Ether carboxylate detergent builders and process for their preparation |
US4798907A (en) * | 1988-02-26 | 1989-01-17 | The Procter & Gamble Company | Controlled temperature process for making 2,2'-oxodisuccinates useful as laundry detergent builders |
US5362412A (en) * | 1991-04-17 | 1994-11-08 | Hampshire Chemical Corp. | Biodegradable bleach stabilizers for detergents |
EP0513948A2 (en) * | 1991-05-15 | 1992-11-19 | Hampshire Chemical Corporation | Hard-surface cleaning compositions containing biodegradable chelants |
EP0513948A3 (en) * | 1991-05-15 | 1993-04-21 | W.R. Grace & Co.-Conn. (A Connecticut Corp.) | Hard-surface cleaning compositions containing biodegradable chelants |
JP2568015B2 (en) | 1991-12-26 | 1996-12-25 | 株式会社日本触媒 | Biodegradable detergent builders and cleaning compositions |
US6426229B1 (en) | 1995-12-22 | 2002-07-30 | Mitsubishi Rayon Co., Ltd. | Chelating agent and detergent comprising the same |
US6221834B1 (en) | 1995-12-22 | 2001-04-24 | Mitsubishi Rayon Co., Ltd. | Chelating agent and detergent comprising the same |
EP0783034A3 (en) * | 1995-12-22 | 1998-07-08 | Nitto Chemical Industry Co., Ltd. | Chelating agent and detergent comprising the same |
US6451757B2 (en) | 1995-12-22 | 2002-09-17 | Mitsubishi Rayon Co., Ltd. | Chelating agent and detergent comprising the same |
US5908473A (en) * | 1996-03-07 | 1999-06-01 | Reckitt & Colman | Spot pretreatment compositions for home dry cleaning |
US5865851A (en) * | 1996-03-07 | 1999-02-02 | Reckitt & Colman Inc. | Home dry cleaning compositions |
WO2000034427A1 (en) * | 1998-12-10 | 2000-06-15 | Unilever Plc | Detergent compositions |
WO2001046371A1 (en) * | 1999-12-21 | 2001-06-28 | Unilever Plc | Detergent compositions |
US6395696B2 (en) | 2000-06-02 | 2002-05-28 | Unilever Home & Personal Care Usa, Division Of Conopco, Inc. | Detergent compositions containing a cationic detergent and builder |
US20100144576A1 (en) * | 2007-01-19 | 2010-06-10 | Thomas Klein | Dish detergent |
DE102007003885A1 (en) * | 2007-01-19 | 2008-07-24 | Lanxess Deutschland Gmbh | Use of a builder system comprising alkali metal tripolyphosphate and iminodisuccinic acid to produce automatic dishwasher formulations |
WO2008087200A1 (en) * | 2007-01-19 | 2008-07-24 | Lanxess Deutschland Gmbh | Dish detergent |
US8318806B2 (en) * | 2007-10-03 | 2012-11-27 | Zorbx Inc. | Deodorizing composition and method of forming thereof |
US20090092568A1 (en) * | 2007-10-03 | 2009-04-09 | Zorbx Inc. | Deodorizing composition and method of forming thereof |
EP2045317A1 (en) * | 2007-10-04 | 2009-04-08 | Lanxess Deutschland GmbH | Liquid washing and cleaning agent |
DE102008000029A1 (en) | 2008-01-10 | 2009-07-16 | Lanxess Deutschland Gmbh | Use of phosphate reduced building system comprising alkali tripolyphosphate and imino disuccinic acid, for manufacturing formulations e.g. for the automatic or mechanical dish cleaning and crockery cleaning machines on ships |
EP2392638A1 (en) * | 2010-06-04 | 2011-12-07 | Dalli-Werke GmbH & Co. KG | Low-hygroscopic particulate composition comprising one or more aminopolycarboxylate chelating compounds |
WO2018111285A1 (en) * | 2016-12-15 | 2018-06-21 | Colgate-Palmolive Company | Color protection in fabrics using citric acid and iminodisuccinate in fine fabric liquid detergent |
CN110072985A (en) * | 2016-12-15 | 2019-07-30 | 高露洁-棕榄公司 | The fabric color protection of citric acid and iminobisuccinate is used in high-count fabric liquid detergent |
CN110072985B (en) * | 2016-12-15 | 2021-04-20 | 高露洁-棕榄公司 | Fabric color protection using citric acid and iminodisuccinate in fine fabric liquid detergents |
US11453843B2 (en) | 2016-12-15 | 2022-09-27 | Colgate-Palmolive Company | Color protection in fabrics using citric acid and iminodisuccinate in fine fabric liquid detergent |
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