Patent US2978437B1 successfully refreshed from Google Patents.
US2895891A
Expired / Lapsed
US
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Cellulosic materials
Assignee: General Electric Co
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Filing: 1957-05-15
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Granted: 1959-07-21
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Expires: 1977-05-15
Abstract
No abstract record available.
Inventors
- 👤 Alexander A Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:46
CPC Classifications
B; B29; B29C; B29C71/00; B29C71/04; D; D06; D06M; D06M10/00; D06M10/04; D06M10/08; B29C35/00; B29C35/02; B29C35/08; B29C35/0805; B29C2035/0844; B29C2035/085; B29C35/0866; B29C2035/0872; B29K; B29K2001/00; B29K2001/08; B29K2001/12; B29K2105/00; B29K2105/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A PROCESS OF CROSS-LINKING CELLULOSIC MATERIALS WHICH COMPRISES IRRADIATING A NON-SALT CONTAINING, AQUEOUS SOL OF A WATER DISPERSIBLE CELLULOSIC MATERIAL WITH IONIZING RADIATION HAVING AN ENERGY EQUIVALENT TO AT LEAST 50.000 ELECTRON VOLTS TO A RADIATION DOSE IN THE RANGE OF 1X100-1X108 REP, SAID SOL CONTAINING AT LEAST 50% BY WEIGHT OF WATER.
Claim 2
Dependent Claim
53 words
A PROCESS OF CROSS-LINKING CELLULOSIC MATERIALS WHICH COMPRISES IRRADIATING A NON-SALT CONTAINING, AQUEOUS SOL OF A WATER DISPERSIBLE CELLULOSIC MATERIAL WITH IONIZING RADIATION HAVING AN ENERGY EQUIVALENT TO AT LEAST 50.000 ELECTRON VOLTS TO A RADIATION DOSE IN THE RANGE OF 1X100-1X108 REP, SAID SOL CONTAINING AT LEAST 50% BY WEIGHT OF WATER.
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) | 1962-07-20 | 1963-01-19 | 1963-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-20 | 1967-01-19 | 1967-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-20 | 1971-01-19 | 1971-07-21 | $7700.00 | Window Closed / Lapsed |