US3920563A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soap-cationic combinations as rinse cycle softeners
Assignee: Colgate Palmolive Co
•
Filing: 1972-10-31
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Granted: 1975-11-18
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Expires: 1992-10-31
Abstract
Abstract A fabric softening composition having improved softening and whitening properties comprising a cationic quaternary softener, preferably an imidazolinium softener, and soap in the weight ratio of 1:1 to 2:1 of soap to quaternary.
Inventors
- 👤 Harold Eugene Wixon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:18
CPC Classifications
C; C11; C11D; C11D10/00; C11D10/04; C11D10/047; C11D3/00; C11D3/0005; C11D3/001; D; D06; D06M; D06M13/00; D06M13/322; D06M13/46; D06M13/47; D06M13/473; C11D1/00; C11D1/38; C11D1/62
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
29 words
A FABRIC-SOFTENING COMPOSITION HAVING IMPROVED SOFTENING AND WHITENING PROPERTIES COMPRISING A CATIONIC QUATERNARY AMMONIUM SOFTENER AND SOAP IN THE WEIGHT RATIO OF 1:1 TO 2:1 OF SOAP TO CATIONIC.
Claim 2
Dependent Claim
29 words
A FABRIC-SOFTENING COMPOSITION HAVING IMPROVED SOFTENING AND WHITENING PROPERTIES COMPRISING A CATIONIC QUATERNARY AMMONIUM SOFTENER AND SOAP IN THE WEIGHT RATIO OF 1:1 TO 2:1 OF SOAP TO CATIONIC.
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 comosition of claim 1, wherein the soap is derived from tallow and/or coconut oil.
Claim 6
Dependent Claim
28 words
A method of softening fabrics which comprises applying to said fabrics in an aqueous bath an amount sufficient to soften the fabric, of the composition of claim 1.
Claim 7
Dependent Claim
20 words
The method of claim 5, wherein the softening composition of claim 2 is added during the rinse cycle of laundering.
Claim 8
Dependent Claim
29 words
In the process of softening fabrics in water, the improvement which comprises adding to the water the composition of claim 1, in an amount sufficient to soften said fabrics.
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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) | 1978-11-17 | 1979-05-19 | 1979-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-11-17 | 1983-05-19 | 1983-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-11-17 | 1987-05-19 | 1987-11-18 | $7700.00 | Window Closed / Lapsed |