Patent US3068060A successfully refreshed from Google Patents.
US3068060A
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Treatment of cellulose textiles with phosphoramides
Assignee: Rohm and Haas Co
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Filing: 1959-08-03
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Granted: 1962-12-11
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Expires: 1979-08-03
Abstract
No abstract record available.
Inventors
- 👤 William D Emmons
- 👤 Jr William S Wadsworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 06:53
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/244; D06M13/282; D06M13/292; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2279; Y10T442/2369; Y10T442/2393
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
A PROCESS COMPRISING IMPREGNATING A CELLULOSE TEXTILE WITH AN AQUEOUS MEDIUM CONTAINING AN ACID CATALYST AND 1 TO 30% BY WEIGHT OF A PHOSPHOROAMIDE OF THE FORMULA
Claim 2
Dependent Claim
27 words
A PROCESS COMPRISING IMPREGNATING A CELLULOSE TEXTILE WITH AN AQUEOUS MEDIUM CONTAINING AN ACID CATALYST AND 1 TO 30% BY WEIGHT OF A PHOSPHOROAMIDE OF THE FORMULA
References Cited (Backward Citations)
US2832745A
Cited
US2957018A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |