US3630989A
Expired / Lapsed
US
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Stabilization of unvulcanized interconnected rubbery diene polymers with a complex of an aryl borate and a nalkyl trimethylene diamine
Assignee: Bridgestone Firestone Inc
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Filing: 1969-06-30
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Granted: 1971-12-28
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Expires: 1989-06-30
Abstract
Abstract AN UNVULCANIZED INTERCONNECTED RUBBERY HOMOPOLYMER DERIVED FROM CONJUGATED DIENES OF 4 AND 5 CARBON ATOMS AND COPOLYEMERS THEREOF WITH OLEFINS IS STABILIZED BY A COMPLEX OF EQUIMOLAR AMOUNTS OF AN ARYL BORATE AND N-ALKYL TRIMETHYLENE DIAMINE.
Inventors
- 👤 Jerry Donald Hunt
- 👤 Robert Paul Spitz
- 👤 Edward Leo Kay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:58
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/55
Claims Analysis
Total Claims: 0
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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) | 1974-12-27 | 1975-06-28 | 1975-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-27 | 1979-06-28 | 1979-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-27 | 1983-06-28 | 1983-12-28 | $7700.00 | Window Closed / Lapsed |