Patent US3666401A successfully refreshed from Google Patents.
US3666401A
Expired / Lapsed
US
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Treatment of textiles to impart wrinkle-resistant and fire-resistant properties
Assignee: Atlantic Richfield Co
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Filing: 1970-12-11
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Granted: 1972-05-30
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Expires: 1990-12-11
Abstract
Abstract FIRE RESISTANCE AND WRINKLE RESISTANCE ARE INPARTED TO CELLULOSIC TEXTILE MATERIALS WITHOUT ADVERSELY AFFECTING OTHER PROPERTIES BY IMPREGNATING THE MATERIAL WITH AN UNSYMETRICAL CROSS-LINKING AGENT THAT CONTAINS A VINYL GROUP AND A GROUP THAT IS CHEMICALLY REACTIVE TOWARD CELLULOSIC HYDROXY GROUPS, REACTING THE AFORESAID REACTIVE GROUP WITH THE CELLULOSE IN THE PRESENCE OF A CHEMICAL CATALYST WITHOUT REACTING THE VINYL GROUPS, WASHING TO REMOVE UNREACTED CHEMICALS, IMPREGNATING WITH N,N'',N"" -TRIALLYL PHOSPHORIC TRIAMIDE AND CO-POLYERIZING THE LATTER WITH THE VINYL GROUPS OF THE UNSYMETRICAL CROSS-LINKING AGENT BY MEANS OF HIGH ENERGY IONIZING IRRADIATION.
Inventors
- 👤 Joseph A Cahill
- 👤 Joseph A Meyers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:13
CPC Classifications
D; D06; D06M; D06M14/00; D06M14/18; D06M14/20; D06M14/22; Y; Y10; Y10S; Y10S8/00; Y10S8/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-05-30 | 1975-11-29 | 1976-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-30 | 1979-11-29 | 1980-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-30 | 1983-11-29 | 1984-05-30 | $7700.00 | Window Closed / Lapsed |