Patent US3706802A successfully refreshed from Google Patents.
US3706802A
Expired / Lapsed
US
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N-(2,2-di-substituted-vinyl)-arylimines
Assignee: Universal Oil Products Co
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Filing: 1969-09-26
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Granted: 1972-12-19
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Expires: 1989-09-26
Abstract
Abstract A NOVEL COMPOUND OF THE THE FOLLOWING FORMULA AR-CH=N-CH=C(-R)-R'' WHERE AR IS ARYL AND R AND R'' ARE HYDROCARBYL OR TOGETHER FORM A CARBOCYCLIC RING. THESE NOVEL COMPOUNDS ARE PREPARED BY REACTING AN ARYLALDEHYDE WITH AN N-(2,2-DIHYDROCARBYLETHYLIDENE)-2,2-DIHYDROCARBYLVINYLAMINE OR AN N,N'' - BIS - (2,2 -DIHYDROCARBYLETHYLIDENE) - 2,2 - DIHYDROCARBYLETHYLIDENEDIAMINE. THESE COMPOUNDS ARE USEFUL AS METAL DEACTIVATORS, ANTIOZONANTS, ETC.
Inventors
- 👤 Joseph T Arrigo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:09
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/228; C10L1/2283; C08; C08K; C08K5/00; C08K5/16; C08K5/29
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-12-19 | 1976-06-19 | 1976-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-12-19 | 1980-06-19 | 1980-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-12-19 | 1984-06-19 | 1984-12-19 | $7700.00 | Window Closed / Lapsed |