US3055857A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition comprising a copolymer of an isoolefin and a multiolefin and 2-mercaptoimidazoline and blends thereof with an unsaturated rubber
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1960-05-12
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Granted: 1962-09-25
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Expires: 1980-05-12
Abstract
No abstract record available.
Inventors
- 👤 Roger S Hawley
- 👤 Robert E Clayton
- 👤 Donald J Buckley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:37
CPC Classifications
B; B60; B60C; B60C1/00; C; C08; C08K; C08K5/00; C08K5/36; C08K5/37; C08K5/378
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A COMPOSITION OF IMPROVED AGING PROPERTIES WHICH COMPRISES A HALOGENATED RUBBERY COPOLYMER OF 85 TO 99.5 WEIGHT PERCENT OF A C4 TO C8 ISOOLEFIN AND 0.5 TO 15.0 WEIGHT PERCENT OF A C4 TO C14 MULTIOLEFIN, AND 3 TO 10 WEIGHT PERCENT BASED ON COPOLYMER OF 2-MERCAPTOIMIDAZOLINE.
Claim 2
Dependent Claim
47 words
A COMPOSITION OF IMPROVED AGING PROPERTIES WHICH COMPRISES A HALOGENATED RUBBERY COPOLYMER OF 85 TO 99.5 WEIGHT PERCENT OF A C4 TO C8 ISOOLEFIN AND 0.5 TO 15.0 WEIGHT PERCENT OF A C4 TO C14 MULTIOLEFIN, AND 3 TO 10 WEIGHT PERCENT BASED ON COPOLYMER OF 2-MERCAPTOIMIDAZOLINE.
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) | 1965-09-24 | 1966-03-26 | 1966-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-24 | 1970-03-26 | 1970-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-24 | 1974-03-26 | 1974-09-25 | $7700.00 | Window Closed / Lapsed |