US3057791A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiation curing of polymers
Assignee: Phillips Petroleum Co
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Filing: 1959-07-06
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Granted: 1962-10-09
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Expires: 1979-07-06
Abstract
No abstract record available.
Inventors
- 👤 Jr Herbert R Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:39
CPC Classifications
B; B29; B29C; B29C71/00; B29C71/04; B29C35/00; B29C35/02; B29C35/08; B29C35/0866; B29C2035/0883; B29K; B29K2023/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A METHOD OF VULCANIZING RUBBER COPOLYMERS OF A MAJOR AMOUNT OF BUTADINE WITH A MINOR AMOUNT STYRENE, WHICH COMPRISES INCORPORATING INTO SAID RUBBER LITHIUM IN AN AMOUNT EQUAL TO 0.02 TO 1.0 GRAM MOLS OF LITHIUM PER 100 GRAMS OF RUBBER AND SUBJECTING THE RESULTING LITHIUM-CONTAINING COMPOSITION TO RADIATIONS CONSISTING ESSENTIALLY OF THERMAL NUETRONS OF A DOSAGE OF 1 X 10 15 TO 5 X 10 16 NVT.
Claim 2
Independent Claim
68 words
A METHOD OF VULCANIZING RUBBER COPOLYMERS OF A MAJOR AMOUNT OF BUTADINE WITH A MINOR AMOUNT STYRENE, WHICH COMPRISES INCORPORATING INTO SAID RUBBER LITHIUM IN AN AMOUNT EQUAL TO 0.02 TO 1.0 GRAM MOLS OF LITHIUM PER 100 GRAMS OF RUBBER AND SUBJECTING THE RESULTING LITHIUM-CONTAINING COMPOSITION TO RADIATIONS CONSISTING ESSENTIALLY OF THERMAL NUETRONS OF A DOSAGE OF 1 X 10 15 TO 5 X 10 16 NVT.
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) | 1965-10-08 | 1966-04-09 | 1966-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-08 | 1970-04-09 | 1970-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-08 | 1974-04-09 | 1974-10-09 | $7700.00 | Window Closed / Lapsed |