US3356764A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ozone-resistant blend of a diene polymer and an ethylene-propylene rubber
Assignee: Uniroyal Inc
•
Filing: 1966-01-24
•
Granted: 1967-12-05
•
Expires: 1986-01-24
Abstract
No abstract record available.
Inventors
- 👤 Anthony V Gentile
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:15
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/3412; C08K5/3432; C08K5/3437
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
AN OZONE-RESISTANT COMPOSITION COMPRISING A VULCANIZED MIXTURE OF (1) 100 PARTS OF A CONJUGATED DIENE POLYMER RUBBER (2) 5 TO 50 PARTS OF ETHYLENE-PROPYLENE RUBBER, AND (3) 0.5 TO 5 PARTS OF A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF POLY(1,2-DIHYDRO-2,2,4-TRIMETHYLQUINOLINE) AND 6-ETHOXY-1,2-DIHYDRO-2,2,4-TRIMETHYL QUINOLINE.
Claim 2
Dependent Claim
44 words
AN OZONE-RESISTANT COMPOSITION COMPRISING A VULCANIZED MIXTURE OF (1) 100 PARTS OF A CONJUGATED DIENE POLYMER RUBBER (2) 5 TO 50 PARTS OF ETHYLENE-PROPYLENE RUBBER, AND (3) 0.5 TO 5 PARTS OF A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF POLY(1,2-DIHYDRO-2,2,4-TRIMETHYLQUINOLINE) AND 6-ETHOXY-1,2-DIHYDRO-2,2,4-TRIMETHYL QUINOLINE.
References Cited (Backward Citations)
US2290561A
Cited
US2511063A
Cited
US2748100A
Cited
US2933480A
Cited
US3179718A
Cited
US3224985A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |