US2945792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyolefins
Assignee: General Electric Co
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Filing: 1957-05-20
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Granted: 1960-07-19
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Expires: 1977-05-20
Abstract
No abstract record available.
Inventors
- 👤 Alexander A Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:08
CPC Classifications
B; B29; B29C; B29C71/00; B29C71/04; B29C35/00; B29C35/02; B29C35/08; B29C35/0805; B29C2035/0844; B29C2035/085; B29C35/0866; B29C2035/0877; B29K; B29K2023/00; B29K2023/04; B29K2023/06; B29K2023/10; B29K2023/12; B29K2105/00; B29K2105/0088; B29K2105/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A PROCESS OF ENHANCING THE CROSS-LINKING EFFECTIVENESS OF HIGH ENERGY IRRADIATION WHICH COMPRISES IRRADIATING A POLYMER SELECTED FROM THE GROUP CONSISTING OF POLYETHYLENE AND POLYPROPYLENE IN THE PRESENCE OF AT LEAST 10% OF A CHLOROBENZENE BASE ON THE WEIGHT OF THE POLYMER WITH IONIZING RADIATION HAVING ENERGY EQUIVALENT TO AT LEAST 50,000 ELECTRON VOLTS TO A RADIATION DOSE OF 1X10**6 TO 1X10**8 REP.
Claim 2
Dependent Claim
63 words
A PROCESS OF ENHANCING THE CROSS-LINKING EFFECTIVENESS OF HIGH ENERGY IRRADIATION WHICH COMPRISES IRRADIATING A POLYMER SELECTED FROM THE GROUP CONSISTING OF POLYETHYLENE AND POLYPROPYLENE IN THE PRESENCE OF AT LEAST 10% OF A CHLOROBENZENE BASE ON THE WEIGHT OF THE POLYMER WITH IONIZING RADIATION HAVING ENERGY EQUIVALENT TO AT LEAST 50,000 ELECTRON VOLTS TO A RADIATION DOSE OF 1X10**6 TO 1X10**8 REP.
References Cited (Backward Citations)
GB714843A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-19 | 1964-01-18 | 1964-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-19 | 1968-01-18 | 1968-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-19 | 1972-01-18 | 1972-07-19 | $7700.00 | Window Closed / Lapsed |