US5773406A
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Foaming composition
Assignee: Cognis IP Management GmbH
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Filing: 1997-01-31
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Granted: 1998-06-30
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Expires: 2017-01-31
Abstract
Abstract A foaming composition having enhanced levels of foaming and foam stability consisting essentially of (a) an alkyl polyglycoside having the general formula I: R.sub.1 O(R.sub.2 O).sub.b (Z).sub.a I wherein R 1 is a monovalent organic radical having from about 6 to about 30 carbon atoms; R 2 is divalent alkylene radical having from 2 to 4 carbon atoms; Z is a saccharide residue having 5 or 6 carbon atoms; b is a number having a value from 0 to about 12; a is a number having a value from 1 to about 6, and (b) a fatty alcohol sulfate having the general formula II: R.sub.3 OSO.sub.3 M II wherein R 3 is an alkyl group containing from 10 to 11 carbon atoms, and M is selected from the group consisting of alkali metals, alkaline earth metals and mixtures thereof, in a wt-% actives ratio of components (a) and (b) of from about 1:10 to about 10:1, respectively.
Inventors
- 👤 Stephen F. Gross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 06:04
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/0005; C11D3/0094; C11D1/00; C11D1/66; C11D1/83; C11D1/02; C11D1/12; C11D1/14; C11D1/146; C11D1/662
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
141 words
A foaming composition having enhanced levels of foaming and foam stability consisting essentially of: (a) an alkyl polyglycoside having the general formula I: R.sub.1 O(R.sub.2 O).sub.b (Z).sub.a I wherein R 1 is a monovalent organic radical having from about 6 to about 30 carbon atoms; R 2 is a divalent alkylene radical having from 2 to 4 carbon atoms; Z is a saccharide residue having 5 or 6 carbon atoms; b is a number having a value from 0 to about 12; a is a number having a value from 1 to about 6, and (b) a fatty alcohol sulfate consisting of a mixture of a lauryl sulfate and a n-decyl sulfate in a wt-% actives ratio of from 5:1 to 1:5, wherein components (a) and (b) are combined in a wt-% actives ratio of from about 1:10 to about 10:1.
Claim 2
Dependent Claim
141 words
A foaming composition having enhanced levels of foaming and foam stability consisting essentially of: (a) an alkyl polyglycoside having the general formula I: R.sub.1 O(R.sub.2 O).sub.b (Z).sub.a I wherein R 1 is a monovalent organic radical having from about 6 to about 30 carbon atoms; R 2 is a divalent alkylene radical having from 2 to 4 carbon atoms; Z is a saccharide residue having 5 or 6 carbon atoms; b is a number having a value from 0 to about 12; a is a number having a value from 1 to about 6, and (b) a fatty alcohol sulfate consisting of a mixture of a lauryl sulfate and a n-decyl sulfate in a wt-% actives ratio of from 5:1 to 1:5, wherein components (a) and (b) are combined in a wt-% actives ratio of from about 1:10 to about 10:1.
Claim 3
Dependent Claim
36 words
The composition of claim 1 wherein in formula I R 1 is a monovalent organic radical having from 8 to 16 carbon atoms; b is zero; and a is a number having a value of 1.55.
Claim 4
Dependent Claim
31 words
The composition of claim 1 wherein said fatty alcohol sulfate is derived from a mixture of sodium lauryl sulfate and sodium n-decyl sulfate in a wt-% actives ratio of about 1:1.
Claim 5
Dependent Claim
17 words
The composition of claim 1 wherein said wt-% actives ratio of components (a): (b) is about 1:1.
Claim 6
Dependent Claim
17 words
The composition of claim 2 wherein said wt-% actives ratio of components (a): (b) is about 1:1.
Claim 7
Dependent Claim
145 words
A process for formulating a surfactant composition having enhanced levels of foaming and foam stability comprising mixing: (a) an alkyl polyglycoside having the general formula I: R.sub.1 O(R.sub.2 O).sub.b (Z).sub.a I 10 wherein R 1 is a monovalent organic radical having from about 6 to about 30 carbon atoms; R 2 is a divalent alkylene radical having from 2 to 4 carbon atoms; Z is a saccharide residue having 5 or 6 carbon atoms; b is a number having a value from 0 to about 12; a is a number having a value from 1 to about 6, with (b) a fatty alcohol sulfate consisting of a mixture of a lauryl sulfate and a n-decyl sulfate in a wt-% actives ratio of from 5:1 to 1:5, wherein components (a) and (b) are combined in a wt-% actives ratio of from about 1:10 to about 10:1.
Claim 8
Dependent Claim
145 words
A process for formulating a surfactant composition having enhanced levels of foaming and foam stability comprising mixing: (a) an alkyl polyglycoside having the general formula I: R.sub.1 O(R.sub.2 O).sub.b (Z).sub.a I 10 wherein R 1 is a monovalent organic radical having from about 6 to about 30 carbon atoms; R 2 is a divalent alkylene radical having from 2 to 4 carbon atoms; Z is a saccharide residue having 5 or 6 carbon atoms; b is a number having a value from 0 to about 12; a is a number having a value from 1 to about 6, with (b) a fatty alcohol sulfate consisting of a mixture of a lauryl sulfate and a n-decyl sulfate in a wt-% actives ratio of from 5:1 to 1:5, wherein components (a) and (b) are combined in a wt-% actives ratio of from about 1:10 to about 10:1.
Claim 9
Dependent Claim
36 words
The process of claim 6 wherein in formula I R 1 is a monovalent organic radical having from 8 to 16 carbon atoms; b is zero; and a is a number having a value of 1.55.
Claim 10
Dependent Claim
31 words
The process of claim 6 wherein said fatty alcohol sulfate is derived from a mixture of sodium lauryl sulfate and sodium n-decyl sulfate in a wt-% actives ratio of about 1:1.
Claim 11
Dependent Claim
17 words
The process of claim 6 wherein said wt-% actives ratio of components (a): (b) is about 1:1.
Claim 12
Dependent Claim
17 words
The process of claim 7 wherein said wt-% actives ratio of components (a): (b) is about 1:1.
Claim 13
Dependent Claim
91 words
A foaming composition having enhanced levels of foaming and foam stability consisting essentially of: (a) an alkyl polyglycoside having the general formula III: R.sub.4 O(Z).sub.a III wherein R 4 is a monovalent organic radical having from 8 to 16 carbon atoms; Z is a saccharide residue having 5 or 6 carbon atoms; a is a number having a value of 1.55, with (b) a fatty alcohol sulfate consisting of a mixture of sodium lauryl sulfate and sodium n-decyl sulfate in a wt-% actives ratio of components (a): (b) of about 1:1.
Claim 14
Dependent Claim
91 words
A foaming composition having enhanced levels of foaming and foam stability consisting essentially of: (a) an alkyl polyglycoside having the general formula III: R.sub.4 O(Z).sub.a III wherein R 4 is a monovalent organic radical having from 8 to 16 carbon atoms; Z is a saccharide residue having 5 or 6 carbon atoms; a is a number having a value of 1.55, with (b) a fatty alcohol sulfate consisting of a mixture of sodium lauryl sulfate and sodium n-decyl sulfate in a wt-% actives ratio of components (a): (b) of about 1:1.
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