Patent US3129204A successfully refreshed from Google Patents.
US3129204A
Expired / Lapsed
US
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Vulcanization of natural and synthetic rubbers with bis(tert-alkylperoxy)-alkane
Assignee: FMC Corp
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Filing: 1959-08-05
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Granted: 1964-04-14
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Expires: 1979-08-05
Abstract
No abstract record available.
Inventors
- 👤 Ernest R Gilmont
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:56
CPC Classifications
C; C08; C08F; C08F4/00; C08F4/28; C08F4/32; C08F36/00; C08F36/02; C08F36/04; C08K; C08K5/00; C08K5/04; C08K5/14; Y; Y10; Y10S; Y10S260/00; Y10S260/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
RUBBER COMPOSITION USEFUL IN THE PRODUCTION OF A VULCANIZED RUBBER PRODUCT, COMPRISING A RUBBER FROM THE GROUP CONSISTING OF NATURAL RUBBER, THE CONJUGATED DIENE HOMOPOLYMER SYNTHETIC RUBBERS AND THE SYNTHETIC RUBBERS WHICH ARE COPOLYMERS OF THE CONJUGATED DIENES WITH MONOMERS CONTAINING A VINYL GROUP, AND ON THE WEIGHT OF THE RUBBER, ABOUT 0.1 TO 10% OF A BIS(TERTALKYLPEROXY)ALKANE OF THE FOLLOWING FORMULA
Claim 2
Dependent Claim
62 words
RUBBER COMPOSITION USEFUL IN THE PRODUCTION OF A VULCANIZED RUBBER PRODUCT, COMPRISING A RUBBER FROM THE GROUP CONSISTING OF NATURAL RUBBER, THE CONJUGATED DIENE HOMOPOLYMER SYNTHETIC RUBBERS AND THE SYNTHETIC RUBBERS WHICH ARE COPOLYMERS OF THE CONJUGATED DIENES WITH MONOMERS CONTAINING A VINYL GROUP, AND ON THE WEIGHT OF THE RUBBER, ABOUT 0.1 TO 10% OF A BIS(TERTALKYLPEROXY)ALKANE OF THE FOLLOWING FORMULA
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) | 1967-04-14 | 1967-10-14 | 1968-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-14 | 1971-10-14 | 1972-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-14 | 1975-10-14 | 1976-04-14 | $7700.00 | Window Closed / Lapsed |