Patent US3076778A successfully refreshed from Google Patents.
US3076778A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition of halogenated butyl rubber and ethylene trithiocarbonate and vulcanizedproduct of same
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1959-04-22
•
Granted: 1963-02-05
•
Expires: 1979-04-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Leon S Minckler
- 👤 Irwin J Gardner
- 👤 Delmer L Cottle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:11
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/36; C08K5/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A COMPOSITION COMPRISING A MAJOR PROPORTION OF A RUBBERY HALOGENATED COPOLYMER OF ABOUT 85 TO 99.5 WEIGHT PERCENT OF A C4 TO C7 ISOOLEFIN AND ABOUT 15 TO 0.5 WEIGHT PERCENT OF A C4 TO C14 MULTIOLEFIN AND ABOUT 0.05 TO 15.0 WEIGHT PERCENT BASED ON HALOGENATED COPOLYMER OF ETHYLENE TRITHIOCARBONATE, SAID COPOLYMER CONTAINING AT LEAST 0.5 WEIGHT PERCENT HALOGEN BUT NO MORE THAN 3 ATOMS OF HALOGEN PER DOUBLE BOND IN SAID COPOLYMER.
Claim 2
Dependent Claim
74 words
A COMPOSITION COMPRISING A MAJOR PROPORTION OF A RUBBERY HALOGENATED COPOLYMER OF ABOUT 85 TO 99.5 WEIGHT PERCENT OF A C4 TO C7 ISOOLEFIN AND ABOUT 15 TO 0.5 WEIGHT PERCENT OF A C4 TO C14 MULTIOLEFIN AND ABOUT 0.05 TO 15.0 WEIGHT PERCENT BASED ON HALOGENATED COPOLYMER OF ETHYLENE TRITHIOCARBONATE, SAID COPOLYMER CONTAINING AT LEAST 0.5 WEIGHT PERCENT HALOGEN BUT NO MORE THAN 3 ATOMS OF HALOGEN PER DOUBLE BOND IN SAID COPOLYMER.
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) | 1966-02-04 | 1966-08-06 | 1967-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-04 | 1970-08-06 | 1971-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-04 | 1974-08-06 | 1975-02-05 | $7700.00 | Window Closed / Lapsed |