US3351483A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of softening textile fabrics
Assignee: Arthur D Little Inc
•
Filing: 1964-10-14
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Granted: 1967-11-07
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Expires: 1984-10-14
Abstract
No abstract record available.
Inventors
- 👤 Jr Carl S Miner
- 👤 Kathryn A Park
- 👤 Walter F Weiss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:36
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/402; D06M13/432; C; C11; C11D; C11D1/00; C11D1/38; C11D3/00; C11D3/0005; C11D3/001; C11D3/16; C11D3/26; C11D3/32; C11D3/323
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A METHOD OF TREATING A TEXTILE FABRIC TO CLEAN AND SOFTEN THE FABRIC WHICH COMPRISES WASHING SAID FABRIC WITH A HOUSEHOLD LAUNDRY DETERGENT IN THE PRESENCE OF A FABRIC SOFTENING EFFECTIVE AMOUNT OF A SOLID FABRIC SOFTENER COMPOSITION, SAID HOUSEHOLD LAUNDRY DETERGENT BEING SELECTED FROM THE GROUP CONSISTING OF ANIONIC ORGANIC DETERGENTS AND NONIONIC ORGANIC DETERGENTS AND MIXTURES THEREOF WITH OR WITHOUT DETERGENT BUILDERS, SAID SOLID FABRIC SOFTENER COMPOSITION BEING PRESENT DURING THE WASH CYCLE AND CONSISTING ESSENTIALLY OF A COMPLEX OF UREA WITH (1) A QUATERNARY AMMONIUM TEXTILE SOFTENING COMPOUND CONTAINING AT LEAST ONE STRAIGHT-CHAIN HYDROCARBON RADICAL OF AT LEAST 8 CARBON ATOMS OR (2) AN AMINE TEXTILE SOFTENING COMPOUND CONTAINING AT LEAST ONE STRAIGHT-CHAIN HYDROCARBON RADICAL OF AT LEAST 8 CARBON ATOMS.
Claim 2
Independent Claim
124 words
A METHOD OF TREATING A TEXTILE FABRIC TO CLEAN AND SOFTEN THE FABRIC WHICH COMPRISES WASHING SAID FABRIC WITH A HOUSEHOLD LAUNDRY DETERGENT IN THE PRESENCE OF A FABRIC SOFTENING EFFECTIVE AMOUNT OF A SOLID FABRIC SOFTENER COMPOSITION, SAID HOUSEHOLD LAUNDRY DETERGENT BEING SELECTED FROM THE GROUP CONSISTING OF ANIONIC ORGANIC DETERGENTS AND NONIONIC ORGANIC DETERGENTS AND MIXTURES THEREOF WITH OR WITHOUT DETERGENT BUILDERS, SAID SOLID FABRIC SOFTENER COMPOSITION BEING PRESENT DURING THE WASH CYCLE AND CONSISTING ESSENTIALLY OF A COMPLEX OF UREA WITH (1) A QUATERNARY AMMONIUM TEXTILE SOFTENING COMPOUND CONTAINING AT LEAST ONE STRAIGHT-CHAIN HYDROCARBON RADICAL OF AT LEAST 8 CARBON ATOMS OR (2) AN AMINE TEXTILE SOFTENING COMPOUND CONTAINING AT LEAST ONE STRAIGHT-CHAIN HYDROCARBON RADICAL OF AT LEAST 8 CARBON ATOMS.
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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) | 1970-11-06 | 1971-05-08 | 1971-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-06 | 1975-05-08 | 1975-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-06 | 1979-05-08 | 1979-11-07 | $7700.00 | Window Closed / Lapsed |