Patent US4263177A successfully refreshed from Google Patents.
US4263177A
Expired / Lapsed
US
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Amine oxide foam stabilizers for alkyl benzene sulfonate foaming agents
Assignee: Witco Corp
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Filing: 1979-06-27
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Granted: 1981-04-21
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Expires: 1999-06-27
Abstract
Abstract Disclosed is an amine oxide foam stabilizer for stabilizing a foam of an alkyl benzene sulfonate foaming agent, wherein said amine oxide foam stabilizer is represented by the following general structure: ##STR1## where, R 1 is a C 4 -C 11 alkyl group R 2 is a C 2 -C 4 alkylene group R 3 , R 4 each, independently, is a C 1 -C 4 hydroxyalkyl group.
Inventors
- 👤 Richard R. Egan
- 👤 Michelle M. Watts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:01
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/0005; C11D3/0094; C07; C07C; C07C291/00; C07C291/02; C07C291/04; C11D1/00; C11D1/02; C11D1/12; C11D1/22; C11D1/66; C11D1/75
Claims Analysis
Total Claims: 39
Claim 1
Independent Claim
64 words
A foam stabilizer for stabilizing a foam containing an alkyl benzene sulfonate foaming agent, characterized by an amine oxide foam stabilizer represented by the following general structure ##STR4## where, R 1 is a C 4 -C 6 alkyl group R 2 is a C 2 -C 4 alkylene group R 3 , R 4 each, independently, is a C 1 -C 4 hydroxyalkyl group.
Claim 2
Dependent Claim
64 words
A foam stabilizer for stabilizing a foam containing an alkyl benzene sulfonate foaming agent, characterized by an amine oxide foam stabilizer represented by the following general structure ##STR4## where, R 1 is a C 4 -C 6 alkyl group R 2 is a C 2 -C 4 alkylene group R 3 , R 4 each, independently, is a C 1 -C 4 hydroxyalkyl group.
Claim 3
Dependent Claim
22 words
The foam stabilizer of claim 1 wherein R 3 and R 4 each, independently, is a C 2 -C 4 hydroxyalkyl group.
Claim 4
Dependent Claim
13 words
The foam stabilizer of claim 1 wherein R 2 is a propylene group.
Claim 5
Dependent Claim
16 words
The foam stabilizer of claim 3 wherein R 3 and R 4 both are hydroxyethyl groups.
Claim 6
Dependent Claim
22 words
The foam stabilizer of claim 1 which is a mixture of amine oxides, each amine oxide having a different R 1 group.
Claim 7
Dependent Claim
21 words
The foam stabilizer of claim 1 wherein said alkyl benzene sulfonate foaming agent is dodecyl benzene sulfonate or tridecyl benzene sulfonate.
Claim 8
Dependent Claim
67 words
An alkyl benzene sulfonate foaming agent stabilized with a foam stabilizer, the improvement characterized by said foam stabilizer being an amine oxide foam stabilizer represented by the following general structure ##STR5## where, R 1 is a C 4 -C 11 alkyl group R 2 is a C 2 -C 4 alkylene group R 3 , R 4 each, independently, is a C 1 -C 4 hydroxyalkyl group.
Claim 9
Dependent Claim
67 words
An alkyl benzene sulfonate foaming agent stabilized with a foam stabilizer, the improvement characterized by said foam stabilizer being an amine oxide foam stabilizer represented by the following general structure ##STR5## where, R 1 is a C 4 -C 11 alkyl group R 2 is a C 2 -C 4 alkylene group R 3 , R 4 each, independently, is a C 1 -C 4 hydroxyalkyl group.
Claim 10
Dependent Claim
24 words
The stabilized alkyl benzene sulfonate of claim 7 wherein R 3 and R 4 each, independently, is a C 2 -C 4 hydroxyalkyl group.
Claim 11
Dependent Claim
15 words
The stabilized alkyl benzene sulfonate of claim 7 wherein R 2 is a propylene group.
Claim 12
Dependent Claim
18 words
The stabilized alkyl benzene sulfonate of claim 9 wherein R 3 and R 4 both are hydroxyethyl groups.
Claim 13
Dependent Claim
19 words
The stabilized alkyl benzene sulfonate of claim 10 wherein R 1 is a C 8 -C 11 alkyl group.
Claim 14
Dependent Claim
24 words
The stabilized alkyl benzene sulfonate of claim 7 which is a mixture of amine oxides, each amine oxide having a different R 1 group.
Claim 15
Dependent Claim
26 words
The stabilized alkyl benzene sulfonate of claim 7 or claim 11 wherein said alkyl benzene sulfonate foaming agent is dodecyl benzene sulfonate or tridecyl benzene sulfonate.
Claim 16
Dependent Claim
19 words
The stabilized alkyl benzene sulfonate of claim 7 wherein R 1 is a C 4 -C 6 alkyl group.
Claim 17
Dependent Claim
70 words
In a foamable composition which is soluble in water, said composition including an alkyl benzene sulfonate foaming agent, the improvement characterized by an amine oxide foam stabilizer represented by the following general structure: ##STR6## where, R 1 is a C 4 -C 11 alkyl group R 2 is a C 2 -C 4 alkylene group R 3 , R 4 each, independently, is a C 1 -C 4 hydroxyalkyl group.
Claim 18
Dependent Claim
70 words
In a foamable composition which is soluble in water, said composition including an alkyl benzene sulfonate foaming agent, the improvement characterized by an amine oxide foam stabilizer represented by the following general structure: ##STR6## where, R 1 is a C 4 -C 11 alkyl group R 2 is a C 2 -C 4 alkylene group R 3 , R 4 each, independently, is a C 1 -C 4 hydroxyalkyl group.
Claim 19
Dependent Claim
22 words
The foamable composition of claim 15 wherein R 3 and R 4 each, independently, is a C 2 -C 4 hydroxyalkyl group.
Claim 20
Dependent Claim
13 words
The foamable composition of claim 15 wherein R 2 is a propylene group.
Claim 21
Dependent Claim
16 words
The foamable composition of claim 17 wherein R 3 and R 4 both are hydroxyethyl groups.
Claim 22
Dependent Claim
17 words
The foamable composition of claim 18 wherein R 1 is a C 8 -C 11 alkyl group.
Claim 23
Dependent Claim
22 words
The foamable composition of claim 15 which is a mixture of amine oxides, each amine oxide having a different R 1 group.
Claim 24
Dependent Claim
24 words
The foamable composition of claim 15 or claim 19 wherein said alkyl benzene sulfonate foaming agent is dodecyl benzene sulfonate or tridecyl benzene sulfonate.
Claim 25
Dependent Claim
17 words
The foamable composition of claim 15 wherein R 1 is a C 4 -C 6 alkyl group.
Claim 26
Dependent Claim
18 words
The foamable composition of claim 15 or claim 19 which is a liquid, a powder, or a gel.
Claim 27
Dependent Claim
18 words
The foamable composition of claim 15 which is a liquid composition for cleaning dishes, clothes, hair, or skin.
Claim 28
Dependent Claim
15 words
The foamable composition of claim 15 which is a powder for cleaning dishes or clothes.
Claim 29
Dependent Claim
16 words
The foamable composition of claim 15 which is gel for cleaning dishes, clothes, hair or skin.
Claim 30
Dependent Claim
78 words
In a process for making a water-soluble foamable composition which includes an alkyl benzene sulfonate foaming agent, the improvement characterized by adding to said composition a foam-stabilizing effective proportion of an amine oxide foam stabilizer represented by the following general structure: ##STR7## where, R 1 is a C 4 -C 11 alkyl group R 2 is a C 2 -C 4 alkylene group R 3 , R 4 each, independently, is a C 1 -C 4 hydroxyalkyl group.
Claim 31
Dependent Claim
78 words
In a process for making a water-soluble foamable composition which includes an alkyl benzene sulfonate foaming agent, the improvement characterized by adding to said composition a foam-stabilizing effective proportion of an amine oxide foam stabilizer represented by the following general structure: ##STR7## where, R 1 is a C 4 -C 11 alkyl group R 2 is a C 2 -C 4 alkylene group R 3 , R 4 each, independently, is a C 1 -C 4 hydroxyalkyl group.
Claim 32
Dependent Claim
21 words
The process of claim 27 wherein R 3 and R 4 each, independently, is a C 2 -C 4 hydroxyalkyl group.
Claim 33
Dependent Claim
12 words
The process of claim 27 wherein R 2 is a propylene group.
Claim 34
Dependent Claim
15 words
The process of claim 29 wherein R 3 and R 4 both are hydroxyethyl groups.
Claim 35
Dependent Claim
16 words
The process of claim 30 wherein R 1 is a C 8 -C 11 alkyl group.
Claim 36
Dependent Claim
16 words
The process of claim 27 wherein R 1 is a C 4 -C 6 alkyl group.
Claim 37
Dependent Claim
24 words
The process of claim 27 wherein said foam stabilizer is a mixture of amine oxides, each amine oxide having a different R 1 group.
Claim 38
Dependent Claim
23 words
The process of claim 27 or claim 31 wherein said alkyl benzene sulfonate foaming agent is dodecyl benzene sulfonate or tridecyl benzene sulfonate.
Claim 39
Dependent Claim
20 words
The process of claim 27 or claim 31 wherein said foamable composition is a liquid, a powder, or a gel.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-04-20 | 1984-10-20 | 1985-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-04-20 | 1988-10-20 | 1989-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-04-20 | 1992-10-20 | 1993-04-21 | $7700.00 | Window Closed / Lapsed |