US4000077A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Enhancement of cationic softener
Assignee: Colgate Palmolive Co
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Filing: 1972-05-04
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Granted: 1976-12-28
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Expires: 1992-05-04
Abstract
Abstract A fabric softening composition having improved softening and whitening properties comprising a cationic quaternary softener, preferably an imidazolinium softener, and a higher aliphatic alcohol sulfate in the weight ratio of 10:1 to 2:1 of cationic: alcohol sulfate.
Inventors
- 👤 Harold Eugene Wixon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:07
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/0005; C11D3/001; C11D1/00; C11D1/38; C11D1/62; C11D1/65
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
43 words
A fabric-softening composition having improved softening and whitening properties consisting essentially of a cationic quaternary ammonium softener and a higher aliphatic alcohol sulfate, having from about 14 to about 22 carbon atoms, in the weight ratio of 10:1 to 2:1 of cationic:alcohol sulfate.
Claim 2
Dependent Claim
43 words
A fabric-softening composition having improved softening and whitening properties consisting essentially of a cationic quaternary ammonium softener and a higher aliphatic alcohol sulfate, having from about 14 to about 22 carbon atoms, in the weight ratio of 10:1 to 2:1 of cationic:alcohol sulfate.
Claim 3
Dependent Claim
16 words
A fabric-softening composition of claim 1, wherein the cationic quaternary ammonium softener is an imidazolinium compound.
Claim 4
Dependent Claim
15 words
A fabric-softening composition of claim 2, wherein the cationic quaternary softener is 2-heptadecyl-1-methyl-1-[2-stearoylamido)ethyl]imidazolinium methyl sulfate.
Claim 5
Dependent Claim
17 words
A fabric softening composition of claim 1, wherein the alcohol sulfate contains 16 to 20 carbon atoms.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-12-28 | 1980-06-28 | 1980-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-12-28 | 1984-06-28 | 1984-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-12-28 | 1988-06-28 | 1988-12-28 | $7700.00 | Window Closed / Lapsed |