Patent US4401578A successfully refreshed from Google Patents.
US4401578A
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US
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Concentrated fabric softening composition
Assignee: Procter and Gamble Co
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Filing: 1982-08-12
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Granted: 1983-08-30
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Expires: 2002-08-12
Abstract
Abstract A concentrated fabric softening composition comprises a water-insoluble cationic fabric softener and a viscosity control agent which is either a non-cyclic 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
2026-11-03 01:53
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: 17
Claim 1
Independent Claim
83 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: (i) C 10 -C 20 non-cyclic hydrocarbons, (ii) esters of C 9 -C 24 fatty acids with alcohols containing from 1-3 carbon atoms, and (iii) C 10 -C 18 fatty alcohols, wherein the ratio of (a) to (b) is from 5:1 to 20:1.
Claim 2
Dependent Claim
83 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: (i) C 10 -C 20 non-cyclic hydrocarbons, (ii) esters of C 9 -C 24 fatty acids with alcohols containing from 1-3 carbon atoms, and (iii) C 10 -C 18 fatty alcohols, wherein the ratio of (a) to (b) is from 5:1 to 20:1.
Claim 3
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 4
Dependent Claim
83 words
A composition according to claim 2, 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 5
Dependent Claim
51 words
A composition according to any one of claims 1-3, wherein the viscosity control agent is selected from the group consisting of: (a) C 14 -C 18 paraffins (b) esters of C 10 -C 20 fatty acids with alcohols containing from 1-3 carbon atoms, and (c) C 12 -C 16 fatty alcohols.
Claim 6
Dependent Claim
23 words
A composition according to claim 4, wherein the ratio of water-insoluble cationic fabric softener to viscosity control agent is from 6:1 to 12:1.
Claim 7
Dependent Claim
15 words
A composition according to claim 1, additionally comprising from 100 to 1000 ppm. of electrolyte.
Claim 8
Dependent Claim
17 words
A composition according to claim 1, additionally comprising from 2% to 8% of a water-insoluble nonionic softener.
Claim 9
Dependent Claim
56 words
A fabric softening composition as recited in claim 1, wherein the viscosity control agent is selected from the group consisting of C 10 -C 20 noncyclic hydrocarbons and esters of C 9 -C 24 fatty acids with alcohols containing from 1-3 carbon atoms, and wherein the ratio of (a) to (b) is from 6:1 to 20:1.
Claim 10
Dependent Claim
27 words
A fabric softening composition as recited in claim 8, wherein the viscosity control agent is selected from the group consisting of C 10 -C 20 noncyclic hydrocarbons.
Claim 11
Dependent Claim
21 words
A fabric softening composition as recited in claim 9, wherein the ratio of (a) to (b) is from 8:1 to 20:1.
Claim 12
Dependent Claim
27 words
A fabric softening composition as recited in claim 1, wherein the viscosity control agent is selected from the group consisting of C 10 -C 18 fatty alcohols.
Claim 13
Dependent Claim
27 words
A fabric softening composition as recited in claim 11, wherein the viscosity control agent is selected from the group consisting of C 12 -C 16 fatty alcohols.
Claim 14
Dependent Claim
70 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 esters of C 9 -C 24 fatty acids with alcohols containing from 1-3 carbon atoms, and mixtures thereof, wherein the ratio of (a) to (b) is from 5:1 to 20:1.
Claim 15
Dependent Claim
70 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 esters of C 9 -C 24 fatty acids with alcohols containing from 1-3 carbon atoms, and mixtures thereof, wherein the ratio of (a) to (b) is from 5:1 to 20:1.
Claim 16
Dependent Claim
21 words
A fabric softening composition as recited in claim 13, wherein the ratio of (a) to (b) is from 6:1 to 20:1.
Claim 17
Dependent Claim
27 words
A fabric softening composition as recited in claim 14, in which the aqueous dispersion consists essentially of the water-insoluble cationic fabric softener and said viscosity control agent.
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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) | 1986-08-29 | 1987-02-28 | 1987-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-08-29 | 1991-02-28 | 1991-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-08-29 | 1995-02-28 | 1995-08-30 | $7700.00 | Window Closed / Lapsed |