US2879823A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rubber tire containing butyl rubber, a quinoid compound, and an amido compound, and process of preparing
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1956-04-16
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Granted: 1959-03-31
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Expires: 1976-04-16
Abstract
No abstract record available.
Inventors
- 👤 Winthrope C Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:03
CPC Classifications
B; B60; B60C; B60C1/00; B60C1/0008; C; C08; C08K; C08K5/00; C08K5/16; C08K5/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A RUBBERY VULCANIZABLE COMPOSITION OF MATTER COMPRISING ABOUT 100 PARTS BY WEIGHT OF A BUTYL RUBBER COPOLYMER OF A MAJOR PROPORTION OF A C4 AND C8 ISOOLEFIN WITH A MINOR PROPORTION OF A C4 TO C14 MULTIOLEFIN, ABOUT 0.5 TO 15 PATTS BY WEIGHT OF A QUINOID COMPOUND, AND ABOUT 0.1 TO 5.0 PARTS BY WEIGHT OF AN AMIDO COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
63 words
A RUBBERY VULCANIZABLE COMPOSITION OF MATTER COMPRISING ABOUT 100 PARTS BY WEIGHT OF A BUTYL RUBBER COPOLYMER OF A MAJOR PROPORTION OF A C4 AND C8 ISOOLEFIN WITH A MINOR PROPORTION OF A C4 TO C14 MULTIOLEFIN, ABOUT 0.5 TO 15 PATTS BY WEIGHT OF A QUINOID COMPOUND, AND ABOUT 0.1 TO 5.0 PARTS BY WEIGHT OF AN AMIDO COMPOUND HAVING THE FORMULA
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) | 1962-03-30 | 1962-09-29 | 1963-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-30 | 1966-09-29 | 1967-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-30 | 1970-09-29 | 1971-03-31 | $7700.00 | Window Closed / Lapsed |