US3075950A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cross-linked olefinic polymers
Assignee: Eastman Kodak Co
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Filing: 1960-08-04
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Granted: 1963-01-29
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Expires: 1980-08-04
Abstract
No abstract record available.
Inventors
- 👤 Gordon C Newland
- 👤 James A Van Allan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:08
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/22; C08K5/27; C08K5/28
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
44 words
A PROCESS FOR MODIFYING A SOLID, HIGH MOLECULAR WEIGHT POLYETHYLENE WHICH COMPRISES HEATING A MIXTURE COMPRISING FROM 98.0 TO 99.5% BY WEIGHT OF SAID POLYETHYLENE AND CONVERSELY FROM 2.0 TO 0.5% BY WEIGHT OF 4.4''-DIAZIDODIPHENYL SULFIDE, AT A TEMPERATURE OF FROM 170* TO 220*C.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |