US3091603A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cure of halogenated butyl rubber
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1959-12-18
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Granted: 1963-05-28
•
Expires: 1979-12-18
Abstract
No abstract record available.
Inventors
- 👤 Kuntz Irving
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:11
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/205
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
AN IMPROVED RUBBERY COMPOSITION WHICH COMPRISES A RUBBERY CHLORINATED COPOLYMER OF 85 TO 99.5 WEIGHT PERCENT OF C4 TO C8 ISOOLEFIN AND 16 TO 0.5 WEIGHT PERCENT PERCENT UNSATURATION OF 0.5 TO 20 AND CONTAINING AT LEAST 0.3 WEIGHT PERCENT CHLORINE BUT NOT MORE THAN ABOUT 1 ATOM OF COMBINED CHLORINE PER DOUBLE BOND IN SAID COPOLYMER; AND 0.1 TO 15 WT. PERCENT BASED ON SAID COPOLYMER OF HEXAMETHYLENE DIAMINE CARBAMATE.
Claim 2
Dependent Claim
71 words
AN IMPROVED RUBBERY COMPOSITION WHICH COMPRISES A RUBBERY CHLORINATED COPOLYMER OF 85 TO 99.5 WEIGHT PERCENT OF C4 TO C8 ISOOLEFIN AND 16 TO 0.5 WEIGHT PERCENT PERCENT UNSATURATION OF 0.5 TO 20 AND CONTAINING AT LEAST 0.3 WEIGHT PERCENT CHLORINE BUT NOT MORE THAN ABOUT 1 ATOM OF COMBINED CHLORINE PER DOUBLE BOND IN SAID COPOLYMER; AND 0.1 TO 15 WT. PERCENT BASED ON SAID COPOLYMER OF HEXAMETHYLENE DIAMINE CARBAMATE.
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) | 1966-05-27 | 1966-11-26 | 1967-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-27 | 1970-11-26 | 1971-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-27 | 1974-11-26 | 1975-05-28 | $7700.00 | Window Closed / Lapsed |