Patent US3294866A successfully refreshed from Google Patents.
US3294866A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-heat-reactive, higher-alkylphenol resins as rubber tackifiers
Assignee: Union Carbide Corp
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Filing: 1963-04-18
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Granted: 1966-12-27
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Expires: 1983-04-18
Abstract
No abstract record available.
Inventors
- 👤 Anthony C Soldatos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:11
CPC Classifications
C; C08; C08L; C08L21/00; Y; Y10; Y10S; Y10S156/00; Y10S156/91
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A COMPOSITON COMPRISING A RUBBER SELECTED FROM THE GROUP CONSISTING OF: POLYBUTADIENE BUTADIENE-STYRENE COPOLYMERS POLYISOPRENE POLYCHLOROPRENE ETHYLENE-PROPYLENE-DIENE TERPOLYMERS NATRUAL RUBBER, AND ISOBUTYLENE-ISOPRENE COPOLYMERS AND AS A TACKIFIER THEREFOR FROM ABOUT TWO TO ABOUT TWENTY PARTS BY WEIGHT PER HUNDRED PARTS RUBBER OF A FUSIBLE NON-HEAT HARDENABLE NOVOLAK RESIN OF FORMALDEHYDE AND A PHENOL HAVING THE FORMULA:
Claim 2
Dependent Claim
56 words
A COMPOSITON COMPRISING A RUBBER SELECTED FROM THE GROUP CONSISTING OF: POLYBUTADIENE BUTADIENE-STYRENE COPOLYMERS POLYISOPRENE POLYCHLOROPRENE ETHYLENE-PROPYLENE-DIENE TERPOLYMERS NATRUAL RUBBER, AND ISOBUTYLENE-ISOPRENE COPOLYMERS AND AS A TACKIFIER THEREFOR FROM ABOUT TWO TO ABOUT TWENTY PARTS BY WEIGHT PER HUNDRED PARTS RUBBER OF A FUSIBLE NON-HEAT HARDENABLE NOVOLAK RESIN OF FORMALDEHYDE AND A PHENOL HAVING THE 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) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |