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US3133952A
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Para-(beta-cyanoalkylamino)-diphenyl amines
Assignee: Goodyear Tire and Rubber Co
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Filing: 1960-05-31
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Granted: 1964-05-19
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Expires: 1980-05-31
Abstract
No abstract record available.
Inventors
- 👤 Richard H Kline
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:55
CPC Classifications
C; C07; C07C; C07C255/00; C08; C08K; C08K5/00; C08K5/16; C08K5/315; C09; C09K; C09K15/00; C09K15/04; C09K15/16; C09K15/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
AS A COMPOSITION OF MATTER, A PARA-(BETA-CYANOLKYLAMINO) DIPHENYLAMINE CONFORMING TO THE FOLLOWING STRUCTURE
Claim 2
Dependent Claim
13 words
AS A COMPOSITION OF MATTER, A PARA-(BETA-CYANOLKYLAMINO) DIPHENYLAMINE CONFORMING TO THE FOLLOWING STRUCTURE
References Cited (Backward Citations)
US2038631A
Cited
US2109024A
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US2200343A
Cited
US2449006A
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US2498630A
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US2555127A
Cited
US2714614A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-19 | 1967-11-18 | 1968-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-19 | 1971-11-18 | 1972-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-19 | 1975-11-18 | 1976-05-19 | $7700.00 | Window Closed / Lapsed |