Patent US4187184A successfully refreshed from Google Patents.
US4187184A
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US
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Softening composition
Assignee: Lever Brothers Co
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Filing: 1978-11-16
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Granted: 1980-02-05
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Expires: 1998-11-16
Abstract
Abstract The invention provides a fabric-softening composition comprising 1-80% by weight of a quaternary ammonium compound, such as distearyl dimethyl ammonium chloride, and 0.5-25% by weight of a fatty acid choline ester salt. The composition provides for an improved anti-static activity.
Inventors
- 👤 Gert Becker
- 👤 Ulrich Schilp
- 👤 Hans F. Barth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:49
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/0005; C11D3/001; C11D1/00; C11D1/38; C11D1/62; C11D3/16; C11D3/37; C11D3/3703; C11D3/3715
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
43 words
Fabric-softening agent on the basis of quaternary ammonium compounds, characterized in that it has further a content of choline ester salts of the following formula: ##STR3## in which R is an alkyl group with 6-24 C atoms and X is a monovalent anion.
Claim 2
Dependent Claim
43 words
Fabric-softening agent on the basis of quaternary ammonium compounds, characterized in that it has further a content of choline ester salts of the following formula: ##STR3## in which R is an alkyl group with 6-24 C atoms and X is a monovalent anion.
Claim 3
Dependent Claim
19 words
Agent according to claim 1, characterized in that it contains from 0.5-25% by weight of the choline ester salt.
Claim 4
Dependent Claim
17 words
Agent according to claim 1 or 2, characterized in that further it also contains a soil-release agent.
Claim 5
Dependent Claim
16 words
Agent according to claim 3, characterized in that it contains a copolymer of polyethyleneterephthalate and polyoxyethyleneglycol.
References Cited (Backward Citations)
FR1129648A
Cited
US3424609A
Cited
US3395100A
Cited
GB1240713A
Cited
US3729416A
Cited
US4045361A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-02-04 | 1983-08-06 | 1984-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-02-04 | 1987-08-06 | 1988-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-02-04 | 1991-08-06 | 1992-02-05 | $7700.00 | Window Closed / Lapsed |