Patent EP0192442A2 successfully refreshed from Google Patents.
EP0192442A2
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EP
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Detergency builder system
Assignee: Procter and Gamble Co
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Filing: 1986-02-17
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Granted: —
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Expires: 2006-02-17
Abstract
Abstract A highly effective detergency builder system comprises the combination of a major proportion of an ether polycarboxylate and minor proportions of an iron and manganese chelating agent and a polymeric polycarboxylate dispersing agent
Inventors
- 👤 Jerome Howard Collins
- 👤 Larry Neil Mackey
- 👤 Gianfranco Luigi Spadini
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-04 06:09
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/26; C11D3/30; C11D3/20; C11D3/2075; C11D3/2082; C11D3/2086; C11D3/2089; C11D3/32; C11D3/33; C11D3/34; C11D3/3418; C11D3/36; C11D3/364; C11D3/37; C11D3/3746; C11D3/3757
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
306 words
A detergent composition comprising: a) from about 2% to about 30% by weight of a surfactant selected from the group consisting of anionic, nonionic, zwitterionic ampholytic and cationic surfactants and mixtures thereof; b) from about 4% to about 50% of an ether polycarboxylate compound or mixtures thereof having one or more units of the structure: wherein M is hydrogen, an alkali metal, ammonium or substituted ammonium and said compound has a log K Ca (35°C, 0.1M ionic strength, pH 9.5) of at least about 3.6; c) from about 0.1% to about 10% by weight of an iron and manganese chelating agent selected from the group consisting of: 1) amino carboxylates having one or more units of the substructure: wherein M is hydrogen, an alkali metal, ammonium or substituted ammonium, and x is from 1 to about 3, 2) amino phosphonates having one or more units of the substructure: wherein M is hydrogen, an alkali metal, ammonium or substituted ammonium and x is from 1 to about 3, 3) polyfunctionally - substituted aromatic chelating agents consisting of compounds having the formula: wherein at least one R is -S0 3 H, or -COOH or soluble salts thereof and mixtures thereof and 4) mixtures thereof; d) from about 0.5% to about 10% by weight of one or-more polymeric polycarboxylic acid dispersing agents, copolymers thereof and salts thereof containing at least about 60% by weight of segments with the general formula: wherein X, Y and Z are each selected from the group consisting of hydrogen, methyl, carboxy, carboxymethyl, hydroxy and hydroxymethyl; M is hydrogen, alkali metal, ammonium or substituted ammonium and n is from about 30 to about 400; and e) from 0% to about 75% by weight of an inorganic-detergency builder selected from the group consisting of alkali metal phosphates, sodium carbonate, sodium silicate, sodium aluminosilicate and mixtures thereof.
Claim 2
Dependent Claim
306 words
A detergent composition comprising: a) from about 2% to about 30% by weight of a surfactant selected from the group consisting of anionic, nonionic, zwitterionic ampholytic and cationic surfactants and mixtures thereof; b) from about 4% to about 50% of an ether polycarboxylate compound or mixtures thereof having one or more units of the structure: wherein M is hydrogen, an alkali metal, ammonium or substituted ammonium and said compound has a log K Ca (35°C, 0.1M ionic strength, pH 9.5) of at least about 3.6; c) from about 0.1% to about 10% by weight of an iron and manganese chelating agent selected from the group consisting of: 1) amino carboxylates having one or more units of the substructure: wherein M is hydrogen, an alkali metal, ammonium or substituted ammonium, and x is from 1 to about 3, 2) amino phosphonates having one or more units of the substructure: wherein M is hydrogen, an alkali metal, ammonium or substituted ammonium and x is from 1 to about 3, 3) polyfunctionally - substituted aromatic chelating agents consisting of compounds having the formula: wherein at least one R is -S0 3 H, or -COOH or soluble salts thereof and mixtures thereof and 4) mixtures thereof; d) from about 0.5% to about 10% by weight of one or-more polymeric polycarboxylic acid dispersing agents, copolymers thereof and salts thereof containing at least about 60% by weight of segments with the general formula: wherein X, Y and Z are each selected from the group consisting of hydrogen, methyl, carboxy, carboxymethyl, hydroxy and hydroxymethyl; M is hydrogen, alkali metal, ammonium or substituted ammonium and n is from about 30 to about 400; and e) from 0% to about 75% by weight of an inorganic-detergency builder selected from the group consisting of alkali metal phosphates, sodium carbonate, sodium silicate, sodium aluminosilicate and mixtures thereof.
Claim 3
Dependent Claim
20 words
The composition of Claim 1 which contains from about 0.5 to about 10% of the iron and magnesium chelating agent.
Claim 4
Dependent Claim
19 words
The composition of Claim 2 wherein the ether polycarboxylate has a log K Ca of at least about 4.2.
Claim 5
Dependent Claim
42 words
The composition of Claim 2 wherein the ether polycarboxylate comprises a material selected from the group consisting of 2-oxa-1,1,3 propanetricarboxylic acid, 2-oxa-1,3,4 butanetri- carboxylic acid, 3-oxa-1,2,4,5-pentanetetracarboxylic acid, polyacetal carboxylates, 3,3-dicarboxy-4-oxa-l,6-hexanedioic acid, mixtures thereof and alkali metal, ammonium and substituted ammonium salts thereof.
Claim 6
Dependent Claim
41 words
The composition of Claim 2 wherein the iron and manganese chelating agent comprises a material selected from the group consisting of ethylenediaminetetraacetates, diethylenetriaminepentaacetates,N-hydroxyethylethylenediaminetriacetates, nitrilotriacetates, ethanoldiglycines, ethylenediaminetetrakis(methylenephosphonates), nitrilotris(methylenephosphonates), diethylenetriaminepentakis(methylenephosphonates), disulfonated catechols, mixtures thereof and alkali metal, ammonium and substituted ammonium salts thereof.
Claim 7
Dependent Claim
35 words
The composition of Claim 5 wherein the polymeric polycarboxylate comprises a material selected from the group consisting of polyacrylates, copolymers of acrylates and maleates, mixtures thereof and alkali metal, ammonium and substituted ammonium salts thereof.
Claim 8
Dependent Claim
56 words
The composition of Claim 2 wherein said composition is a granular detergent composition comprising from about 15% to about 60% of an inorganic detergency builder selected from the group consisting of sodium carbonate, sodium silicate and mixtures thereof and from about 15% to about 40% of sodium salts of said ether polycarboxylate compound or mixtures thereof.
Claim 9
Dependent Claim
28 words
The composition of Claim 7 wherein said surfactant comprises an anionic surfactant selected from the group consisting of alkyl sulfates, alkyl ether sulfates, alkylbenzene sulfonates and mixtures thereof.
Claim 10
Dependent Claim
37 words
The composition of Claim 8 wherein said ether polycarboxylate comprises a material selected from the group consisting of the sodium salts of 2-oxa-1,1,3-propanetricarboxylic acid, 2-oxa-1,3,4 - butanetricarboxylic acid, 3-oxa-1,2,4,5-pentanetetracarboxylic acid, polyacetal carboxylates, 3,3-dicarboxy-4-oxa-1,6-hexanedioic acid and mixtures thereof.
Claim 11
Dependent Claim
9 words
The composition of Claim 9 containing essentially no phosphorus.
Claim 12
Dependent Claim
30 words
The composition of Claim 10 which comprises an alkali metal salt of a polymeric polycarboxylate selected from the group consisting of polyacrylates, copolymers of acrylates and maleates and mixtures thereof.
Claim 13
Dependent Claim
27 words
The composition of Claim 2 wherein said composition is a liquid detergent composition comprising from about 5% to about 15% of said ether polycarboxylate or mixture thereof.
Claim 14
Dependent Claim
23 words
A composition according to Claim 1 additionally comprising from about 5% to about 35% by weight of inorganic or organic peroxy bleaching agent.
Claim 15
Dependent Claim
21 words
A composition according to Claim 13 additionally comprising from about 0.5% to about 10% by weight of organic peroxyacid bleach precursor.
Claim 16
Dependent Claim
70 words
A composition according to Claim 14 wherein the bleach precursor has the general formula: wherein R is an alkyl group containing from 6 to 12 carbon atoms wherein the longest linear alkyl chain extending from and including the carboxyl carbon contains from 5 to 10 carbon atoms and L is a leaving group, the conjugate acid of which has a logarithmic acidity constant in the range from 6 to 13.
References Cited (Backward Citations)
No citation records indexed.
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