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US3709848A
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High temperature cure systems for ethylene propylene diene monomers
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1971-01-29
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Granted: 1973-01-09
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Expires: 1991-01-29
Abstract
Abstract ETHYLENE PROPYLENE DIENE MONOMERS ARE CURED USING PHENOLIC RESINS ANA A HALOGEN CONTAINING POLYMERIC CURE ACTIVATOR.
Inventors
- 👤 J Gerstin
- 👤 J Kehn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:33
CPC Classifications
C; C08; C08L; C08L23/00; C08L23/02; C08L23/16; C08K; C08K3/00; C08K3/02; C08K3/04; C08K3/16; C08K3/18; C08K3/20; C08K3/22; C08K5/00; C08K5/04; C08K5/09; C08L23/26; C08L23/32; C08L23/34; C08L61/00; C08L61/04; C08L61/06; C08L91/00; C08L2312/00; C08L2312/04; C08L2666/00; C08L2666/02
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) | 1976-01-09 | 1976-07-10 | 1977-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-09 | 1980-07-10 | 1981-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-09 | 1984-07-10 | 1985-01-09 | $7700.00 | Window Closed / Lapsed |