US3632550A
Expired / Lapsed
US
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Method of protecting rubber from degradation with 4-(p-(substituted amino)phenyl) morpholines
Assignee: Monsanto Co
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Filing: 1967-09-20
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Granted: 1972-01-04
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Expires: 1987-09-20
Abstract
Abstract A COMPOUND OF THE FORMULA 1-(4-(R-N(-X)-)PHENYL)MORPHOLINE WHERE X IS NO AND R IS ALKYL OF 3-12 CARBON ATOMS OR CYCLOALKYL OF 5-12 CARBON ATOMS HAS SPECIAL SIGNIFICANCE FOR PROTETING DIENE RUBBER FROM OZONE DEGRADATION.
Inventors
- 👤 John J D Amico
- 👤 Sidney T Webster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:07
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/12; C07D295/135; C08; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/35; C08K5/357; Y; Y10; Y10S; Y10S524/00; Y10S524/925
Claims Analysis
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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) | 1975-01-03 | 1975-07-05 | 1976-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-03 | 1979-07-05 | 1980-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-03 | 1983-07-05 | 1984-01-04 | $7700.00 | Window Closed / Lapsed |