EP0212723A2
Expired / Lapsed
EP
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Built liquid detergents
Assignee: Procter and Gamble European Technical Center
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Filing: 1986-07-25
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Granted: —
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Expires: 2006-07-25
Abstract
Abstract Heavy duty liquid detergent compositions comprising a mixture of citrate and succinate builders provide excellent detergency performance without undue fabric build-up of precipitated salts.
Inventors
- 👤 Jean Pol Boutique
- 👤 Hilde Nijs-Brams
- 👤 Emanuel Fakoukakis
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-02 20:37
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/02; C11D1/12; C11D3/00; C11D3/16; C11D3/20; C11D3/2075; C11D3/2082; C11D1/04; C11D1/08; C11D3/2086
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
89 words
A homogeneous liquid detergent composition comprising a fluid carrier medium, a detersive surfactants or mixtures of detersive surfactants, and optionally, detersive enzymes and other conventional detersive ingredients, characterized in that said composition contains : a) from 7 % to 12 % by weight of an anionic detersive surfactant ; b) from 2 % to 6 % by weight of a citrate detergency builder; and c) from 8 % to 13 % by weight of an alkyl or alkenyl succinate detergency builder selected from the C₁₀-C₁₆ alkyl or alkenyl succinates.
Claim 2
Dependent Claim
89 words
A homogeneous liquid detergent composition comprising a fluid carrier medium, a detersive surfactants or mixtures of detersive surfactants, and optionally, detersive enzymes and other conventional detersive ingredients, characterized in that said composition contains : a) from 7 % to 12 % by weight of an anionic detersive surfactant ; b) from 2 % to 6 % by weight of a citrate detergency builder; and c) from 8 % to 13 % by weight of an alkyl or alkenyl succinate detergency builder selected from the C₁₀-C₁₆ alkyl or alkenyl succinates.
Claim 3
Dependent Claim
26 words
A composition accordig to claim 1 wherein the citrate builder and the succinate builder, together, comprise no more than 16 % by weight of the composition.
Claim 4
Dependent Claim
30 words
A composition according to claim 2 wherein the citrate and succinate builders are in the form of their sodium, potassium, ammonium or mono-, di- or tri-ethanolammonium salts, or mixtures thereof.
Claim 5
Dependent Claim
14 words
A composition according to claim 3 which is formulated at pH 7.0 - 9.0.
Claim 6
Dependent Claim
14 words
A composition according to claim 4 which is formulated at pH 7.3 - 8.6.
Claim 7
Dependent Claim
81 words
A homogeneous liquid detergent composition according to claim 1 comprising : a) from 7 % to 12 % by weight of a C₁₀-C₁₄ alkyl benzene sulfonate anionic detersive surfactant ; b) from 2 % to 6 % by weight of a citrate detergency builder; and c) from 8 % to 13 % by weight of an alkyl or alkenyl succinate detergency builder selected from the salts of C₁₀-C₁₆ alkyl or alkenyl succinates, said composition having a pH of 7.3 to 8.6.
Claim 8
Dependent Claim
18 words
A composition according to claim 6 which contains a mixture of citrate and 2-dodecenyl succinate as the builder
Claim 9
Dependent Claim
64 words
A homogeneous liquid detergent composition according to claim 1 characterized in that said composition contains a mixture of detersive surfactants comprising a) from 7 % to 12 % by weight of an alkyl benzene anionic detersive surfactant ; and b) from 10 % to 20 % of an ethoxylated alcohol nonionic surfactant which is a C₁₀-C₁₅ alcohol ethoxylated with 4 to 7 ethoxyl groups.
Claim 10
Dependent Claim
41 words
A composition according to claim 8 wherein the citrate and succinate builders are in the form of their sodium, potassium, ammonium or mono-, di-, or tri-ethanolammonium salts, or mixtures thereof, and, together, comprise no more than 16 % of the composition.
Claim 11
Dependent Claim
15 words
10 A composition according to claim 9 which is formulated at pH 7.3 - 8.6.
Claim 12
Dependent Claim
23 words
11 A composition according to claim 10 which comprises a mixture of 3.7 % citrate and 10.4 % 2-dodecenyl succinate as the builder.
References Cited (Backward Citations)
No citation records indexed.
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