US5039451A
Expired / Lapsed
US
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Manufacturing concentrated surfactant compositions
Assignee: Solvay Solutions UK Ltd
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Filing: 1988-11-02
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Granted: 1991-08-13
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Expires: 2008-11-02
Abstract
Abstract Mixtures of surfactants capable of forming "G" phase are prepared by forming one component of the mixture from a precursor in the presence of the other component or components and sufficient water form the product in the "G" phase.
Inventors
- 👤 Brinley M. Phillips
- 👤 Brian J. Akred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:00
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/88; C11D1/94; C11D1/02; C11D1/37; C11D1/38; C11D1/645; C11D1/65; C11D1/652; C11D1/66; C11D1/83; C11D1/835; C11D17/00; C11D17/0008; C11D17/0026; C11D1/04; C11D1/12; C11D1/123; C11D1/14; C11D1/146; C11D1/22; C11D1/28; C11D1/29; C11D1/34; C11D1/345; C11D1/52; C11D1/523; C11D1/528; C11D1/75; C11D1/90; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/03; Y10S516/04; Y10S516/07; Y10S516/905; Y10S516/914; Y10S516/915
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
201 words
A method for the manufacture of a concentrated aqueous surface active composition, comprising as the active constituent an active mixture of at least two non-homologous surfactants, each in a proportion of at least 5% by weight of the active mixture, which composition is capable of forming a fluid "G" phase, wherein at least one of the surfactants is capable of being formed by a reaction in an aqueous solution from a precursor which is liquid under the conditions of the reaction by a reagent which does not cause substantial degradation of any other surfactant in the mixture, and wherein the composition is formed by converting at least one of the precursors into the corresponding surfactant in the presence of at least one other surfactant component of the mixture and in the presence of sufficient water to maintain the reaction mixture in a fluid state and provide a final composition which is at least predominantly in the "G" phase, wherein the precursor is a non-quaternary amine or nitrogen containing heterocyclic compound, and the other surfactant or surfactants are cationic, nonionic and/or amphoteric surfactants and the composition is formed by converting the precursor into a cationic surfactant with a quaternizing agent or acid.
Claim 2
Independent Claim
201 words
A method for the manufacture of a concentrated aqueous surface active composition, comprising as the active constituent an active mixture of at least two non-homologous surfactants, each in a proportion of at least 5% by weight of the active mixture, which composition is capable of forming a fluid "G" phase, wherein at least one of the surfactants is capable of being formed by a reaction in an aqueous solution from a precursor which is liquid under the conditions of the reaction by a reagent which does not cause substantial degradation of any other surfactant in the mixture, and wherein the composition is formed by converting at least one of the precursors into the corresponding surfactant in the presence of at least one other surfactant component of the mixture and in the presence of sufficient water to maintain the reaction mixture in a fluid state and provide a final composition which is at least predominantly in the "G" phase, wherein the precursor is a non-quaternary amine or nitrogen containing heterocyclic compound, and the other surfactant or surfactants are cationic, nonionic and/or amphoteric surfactants and the composition is formed by converting the precursor into a cationic surfactant with a quaternizing agent or acid.
Claim 3
Dependent Claim
28 words
The method according to claim 1, wherein said final composition which is at least predominantly in the "G" phase comprises more than above 60% of said active constituent.
Claim 4
Dependent Claim
43 words
The method according to claim 2, wherein said concentrated aqueous surface active composition consists essentially of as the active constituent a mixture of said at least two non-homologous surfactants, each in a proportion of at least 5% by weight of the active mixture.
Claim 5
Dependent Claim
43 words
The method according to claim 1, wherein said concentrated aqueous surface active composition consists essentially of as the active constituent a mixture of said at least two non-homologous surfactants, each in a proportion of at least 5% by weight of the active mixture.
Claim 6
Independent Claim
212 words
A method for the manufacture of a concentrated aqueous surface active composition, comprising as the active constituent an active mixture of at least two non-homologous surfactants, each in a proportion of at least 5% by weight of the active mixture, which composition is capable of forming a fluid "G" phase, wherein at least one of the surfactants is capable of being formed by a reaction in an aqueous solution from a precursor which is liquid under the conditions of the reaction by a reagent which does not cause substantial degradation of any other surfactant in the mixture, and wherein the composition is formed by converting at least one of the precursors into the corresponding surfactant in the presence of at least one other surfactant component of the mixture and in the presence of sufficient water to maintain the reaction mixture in a fluid state and provide a final composition which is at least predominantly in the "G" phase, wherein the precursor is a non-quaternary amine or nitrogen containing heterocyclic compound, and the other surfactant or surfactants are either cationic surfactants or anionic surfactants or amphoteric surfactants or nonionic surfactants or mixtures of anionic surfactants with nonionic and/or amphoteric surfactants, and the composition is formed by converting the precursor into an amphoteric surfactant.
Claim 7
Independent Claim
212 words
A method for the manufacture of a concentrated aqueous surface active composition, comprising as the active constituent an active mixture of at least two non-homologous surfactants, each in a proportion of at least 5% by weight of the active mixture, which composition is capable of forming a fluid "G" phase, wherein at least one of the surfactants is capable of being formed by a reaction in an aqueous solution from a precursor which is liquid under the conditions of the reaction by a reagent which does not cause substantial degradation of any other surfactant in the mixture, and wherein the composition is formed by converting at least one of the precursors into the corresponding surfactant in the presence of at least one other surfactant component of the mixture and in the presence of sufficient water to maintain the reaction mixture in a fluid state and provide a final composition which is at least predominantly in the "G" phase, wherein the precursor is a non-quaternary amine or nitrogen containing heterocyclic compound, and the other surfactant or surfactants are either cationic surfactants or anionic surfactants or amphoteric surfactants or nonionic surfactants or mixtures of anionic surfactants with nonionic and/or amphoteric surfactants, and the composition is formed by converting the precursor into an amphoteric surfactant.
Claim 8
Dependent Claim
20 words
The method according to claim 5, wherein the surfactant is converted into an amphoteric surfactant by reaction with chloracetic acid.
Claim 9
Dependent Claim
43 words
The method according to claim 6, wherein said concentrated aqueous surface active composition consists essentially of as the active constituent a mixture of said at least two non-homologous surfactants, each in a proportion of at least 5% by weight of the active mixture.
Claim 10
Dependent Claim
43 words
The method according to claim 5, wherein said concentrated aqueous surface active composition consists essentially of as the active constituent a mixture of said at least two non-homologous surfactants, each in a proportion of at least 5% by weight of the active mixture.
Claim 11
Dependent Claim
27 words
The method according to claim 5, wherein said final composition which is at least predominantly in the "G" phase comprises more than 60% of said active constituent.
Claim 12
Dependent Claim
43 words
The method according to claim 9, wherein said concentrated aqueous surface active composition consists essentially of as the active constituent a mixture of said at least two non-homologous surfactants, each in a proportion of at least 5% by weight of the active mixture.
Claim 13
Independent Claim
177 words
A method for the manufacture of a concentrated aqueous surface active composition, comprising as the active constituent an active mixture of at least two non-homologous surfactants, each in a proportion of at least 5% by weight of the active mixture, which composition is capable of forming a fluid "G" phase, wherein at least one of the surfactants is capable of being formed by a reaction in an aqueous solution from a precursor which is liquid under the conditions of the reaction by a reagent which does not cause substantial degradation of any other surfactant in the mixture, and wherein the composition is formed by converting at least one of the precursors into the corresponding surfactant in the presence of at least one other surfactant component of the mixture and in the presence of sufficient water to maintain the reaction mixture in a fluid state and provide a final composition which is at least predominantly in the "G" phase, which comprises mixing a liquid nonionic surfactants with an amine precursor and quaternizing the precursor with aqueous chloracetic acid.
Claim 14
Independent Claim
177 words
A method for the manufacture of a concentrated aqueous surface active composition, comprising as the active constituent an active mixture of at least two non-homologous surfactants, each in a proportion of at least 5% by weight of the active mixture, which composition is capable of forming a fluid "G" phase, wherein at least one of the surfactants is capable of being formed by a reaction in an aqueous solution from a precursor which is liquid under the conditions of the reaction by a reagent which does not cause substantial degradation of any other surfactant in the mixture, and wherein the composition is formed by converting at least one of the precursors into the corresponding surfactant in the presence of at least one other surfactant component of the mixture and in the presence of sufficient water to maintain the reaction mixture in a fluid state and provide a final composition which is at least predominantly in the "G" phase, which comprises mixing a liquid nonionic surfactants with an amine precursor and quaternizing the precursor with aqueous chloracetic acid.
Claim 15
Dependent Claim
43 words
The method according to claim 11, wherein said concentrated aqueous surface active composition consists essentially of as the active constituent a mixture of said at least two non-homologous surfactants, each in a proportion of at least 5% by weight of the active mixture.
Claim 16
Dependent Claim
27 words
The method according to claim 11, wherein said final composition which is at least predominantly in the "G" phase comprises more than 60% of said active constituent.
Claim 17
Dependent Claim
43 words
The method according to claim 13, wherein said concentrated aqueous surface active composition consists essentially of as the active constituent a mixture of said at least two non-homologous surfactants, each in a proportion of at least 5% by weight of the active mixture.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-08-12 | 1995-02-11 | 1995-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-08-12 | 1999-02-11 | 1999-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-08-12 | 2003-02-11 | 2003-08-13 | $7700.00 | Window Closed / Lapsed |