US4497716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fabric softening composition
Assignee: Lever Brothers Co
•
Filing: 1983-12-15
•
Granted: 1985-02-05
•
Expires: 2003-12-15
Abstract
Abstract A concentrated fabric softening composition comprises at least 10% cationic fabric softener, up to 4% ethoxylated nonionic material selected from ethoxylated amides, alcohols, acids and esters with not more than 7EO groups per molecule, 0.02 to 0.5% of an electrolyte and less than 2.5%, if any, of an alkanol with 1-4 carbon atoms.
Inventors
- 👤 Ho T. Tai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:55
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/66; C11D1/835; C11D1/38; C11D1/62; C11D1/72; C11D3/00; C11D3/0005; C11D3/001; C11D3/0015; C11D1/52; C11D1/526; C11D1/74
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
114 words
A concentrated liquid fabric softening composition comprising an aqueous base, at least 10% by weight of a water-insoluble cationic fabric softening agent, from 0.02% to 0.5% by weight of an electrolyte and from 0.2% to 4% of a nonionic viscosity control agent which comprises an alkylene oxide adduct of a fatty compound selected from the group consisting of fatty amides, fatty alcohols, fatty acids and fatty esters, said fatty compound containing at least 10 carbon atoms and each molecule of the alkylene oxide adduct containing an average of not more than 7 alkylene oxide groups per molecule and from 0% to 2.5% by weight of a monohydric alkanol having 1 to 4 carbon atoms.
Claim 2
Dependent Claim
114 words
A concentrated liquid fabric softening composition comprising an aqueous base, at least 10% by weight of a water-insoluble cationic fabric softening agent, from 0.02% to 0.5% by weight of an electrolyte and from 0.2% to 4% of a nonionic viscosity control agent which comprises an alkylene oxide adduct of a fatty compound selected from the group consisting of fatty amides, fatty alcohols, fatty acids and fatty esters, said fatty compound containing at least 10 carbon atoms and each molecule of the alkylene oxide adduct containing an average of not more than 7 alkylene oxide groups per molecule and from 0% to 2.5% by weight of a monohydric alkanol having 1 to 4 carbon atoms.
Claim 3
Dependent Claim
31 words
A composition according to claim 1, wherein the water-insoluble cationic fabric softening agent is selected from the group consisting of quaternary ammonium salts, imidazolinium salts, water-insoluble fatty amines and mixtures thereof.
Claim 4
Dependent Claim
24 words
A composition according to claim 1, wherein the weight ratio of the cationic fabric softening agent to the alkanol is at least about 6.1.
Claim 5
Dependent Claim
160 words
A composition according to claim 1, wherein the nonionic viscosity control agent is selected from the group consisting of compounds having the following general formulae: (a) ##STR6## wherein R 1 is an alkyl group having from 10 to 22 carbon atoms, R 2 is hydrogen or an alkyl group having from 1 to 3 carbon atoms or the group (C n H 2n O) x H, x is, in total, from 1 to 5, and n is 2 or 3; (b) R.sup.3 --O--(C.sub.n H.sub.2n O).sub.y H wherein R 3 is an alkyl or alkylaryl group having from 10 to 22 carbon atoms, y is from 1 to 5, and n is 2 or 3; (c) ##STR7## wherein R 4 is an alkyl group having from 10 to 22 carbon atoms, x is from 1 to 5 and n is 2 or 3; (d) alkoxylated mono-, di or tri-esters of polyhydric alcohols containing 1 to 4 carbon atoms and mixtures thereof.
Claim 6
Dependent Claim
19 words
A composition according to claim 1, which comprises from 0.2% to 3% by weight of the viscosity control agent.
Claim 7
Dependent Claim
50 words
A composition according to claim 1, which comprises from 10% to 25% by weight of the water-insoluble cationic fabric softening agent; from 0.5% to 3% by weight of the nonionic viscosity control agent; and from 0.05% to 0.5% by weight of the electrolyte and from 0 to 2.5% isopropyl alcohol.
References Cited (Backward Citations)
GB1104441A
Cited
US3681241A
Cited
GB1282428A
Cited
GB1314381A
Cited
US3793196A
Cited
GB1397507A
Cited
GB1456913A
Cited
GB1459935A
Cited
GB1482782A
Cited
GB1550205A
Cited
GB1571527A
Cited
US4151097A
Cited
GB1562961A
Cited
GB1596250A
Cited
GB1601359A
Cited
GB1599036A
Cited
EP0000406A1
Cited
GB2007734A
Cited
US4237016A
Cited
GB2031941A
Cited
EP0004121A1
Cited
US4140641A
Cited
EP0013780A1
Cited
DE2905881A1
Cited
EP0018039A1
Cited
EP0022555A1
Cited
EP0023333A1
Cited
EP0023334A1
Cited
EP0040562A2
Cited
EP0043547A1
Cited
US4351737A
Cited
EP0056695A2
Cited
BE888535A
Cited
EP0074056A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-02-05 | 1988-08-06 | 1989-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-02-05 | 1992-08-06 | 1993-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-02-05 | 1996-08-06 | 1997-02-05 | $7700.00 | Window Closed / Lapsed |