US3334075A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multimaleimide cure of halogenated isoolefin-multiolefin copolymers
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1964-10-23
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Granted: 1967-08-01
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Expires: 1984-10-23
Abstract
No abstract record available.
Inventors
- 👤 John T Kehn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:44
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/3412; C08K5/3415
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A RUBBERY VULCANIZABLE COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF, PER 100 PARTS OF A HALOGENATED COPOLYMER OF BETWEEN ABOUT 85 AND ABOUT 99.5 WT. PERCENT OF A C4-C8 ISOOLEFIN AND BETWEEN ABOUT 15 AND ABOUT 0.5 WT. PERCENT OF A C4-C14 MULTIOLEFIN, BETWEEN ABOUT 0.2 AND ABOUT 20 PARTS OF AN ORGANIC COMPOUND CONTAINING AT LEAST TWO N-SUBSTITUTED MALLEIMIDO RADICALS PER MOLECULE.
Claim 2
Dependent Claim
62 words
A RUBBERY VULCANIZABLE COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF, PER 100 PARTS OF A HALOGENATED COPOLYMER OF BETWEEN ABOUT 85 AND ABOUT 99.5 WT. PERCENT OF A C4-C8 ISOOLEFIN AND BETWEEN ABOUT 15 AND ABOUT 0.5 WT. PERCENT OF A C4-C14 MULTIOLEFIN, BETWEEN ABOUT 0.2 AND ABOUT 20 PARTS OF AN ORGANIC COMPOUND CONTAINING AT LEAST TWO N-SUBSTITUTED MALLEIMIDO RADICALS PER MOLECULE.
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) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |