US4426299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Concentrated fabric softening composition
Assignee: Procter and Gamble Co
•
Filing: 1981-10-06
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Granted: 1984-01-17
•
Expires: 2001-10-06
Abstract
Abstract A concentrated fabric softening composition comprises a water-insoluble cationic fabric softener and a viscosity control agent which is either a non-cyciic hydrocarbon, a fatty acid or ester thereof or a fatty alcohol, the ratio of fabric softener to viscosity control agent being from 5:1 to 20:1.
Inventors
- 👤 Martin W. Verbruggen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:24
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/20; C11D3/2003; C11D3/2006; C11D3/201; C11D3/2013; C11D3/0005; C11D3/001; C11D3/0015; C11D3/18; C11D3/2075; C11D3/2079; C11D3/2093; D; D06; D06M; D06M13/00; D06M13/322; D06M13/46
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
61 words
A fabric softening composition in the form of an aqueous dispersion comprising (a) from 8% to 22% of a water-insoluble cationic fabric softener and (b) from 0.5% to 4% of a viscosity control agent selected from the group consisting of C 9 -C 24 fatty acids and mixtures thereof, wherein the ratio of (a) to (b) is from 6:1 to 20:1.
Claim 2
Dependent Claim
61 words
A fabric softening composition in the form of an aqueous dispersion comprising (a) from 8% to 22% of a water-insoluble cationic fabric softener and (b) from 0.5% to 4% of a viscosity control agent selected from the group consisting of C 9 -C 24 fatty acids and mixtures thereof, wherein the ratio of (a) to (b) is from 6:1 to 20:1.
Claim 3
Dependent Claim
22 words
A composition according to claim 1 consisting of (a) 12% 1-methyl-1-(tallowylamido-)ethyl-2-tallowyl-4,5-dihydroimidazolinium methosulfate, (b) 1.5% myristic acid, (c) with the balance being water.
Claim 4
Dependent Claim
46 words
A composition according to claim 1, wherein the cationic fabric softener is (i) from 8% to 16% of a di-C 12 -C 24 alkyl or alkenyl mono-quaternary ammonium salt or (ii) from 8% to 22% of a di-C 12 -C 24 alkyl or alkenyl imidazolinium salt.
Claim 5
Dependent Claim
83 words
A composition according to claim 3, wherein the imidazolinium salt has the general formula: ##STR3## wherein R 6 is an alkyl containing from 1 to 4 carbon atoms, R 7 is an alkyl containing from 9 to 25 carbon atoms, R 8 is an alkyl containing from 8 to 25 carbon atoms, and R 9 is hydrogen or an alkyl containing from 1 to 4 carbon atoms and A - is an anion selected from the group consisting of halide, methosulfate and ethosulfate.
Claim 6
Dependent Claim
18 words
A composition according to claim 4, wherein the ratio of (a) to (b) is from 6:1 to 12:1.
Claim 7
Dependent Claim
15 words
A composition according to claim 5 additionally comprising from 100 to 1000 ppm. of electrolyte.
Claim 8
Dependent Claim
17 words
A composition according to claim 6 additionally comprising from 2% to 8% of a water-insoluble nonionic softener.
Claim 9
Dependent Claim
61 words
A fabric softening composition in the form of an aqueous dispersion comprising (a) from 8% to 22% of a water-insoluble cationic fabric softener and (b) from 0.5% to 4% of a viscosity control agent selected from the group consisting of C 9 -C 24 fatty acids and mixtures thereof, wherein the ratio of (a) to (b) is from 5:1 to 20:1.
Claim 10
Dependent Claim
61 words
A fabric softening composition in the form of an aqueous dispersion comprising (a) from 8% to 22% of a water-insoluble cationic fabric softener and (b) from 0.5% to 4% of a viscosity control agent selected from the group consisting of C 9 -C 24 fatty acids and mixtures thereof, wherein the ratio of (a) to (b) is from 5:1 to 20:1.
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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) | 1987-01-16 | 1987-07-18 | 1988-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-01-16 | 1991-07-18 | 1992-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-01-16 | 1995-07-18 | 1996-01-17 | $7700.00 | Window Closed / Lapsed |