US3780103A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkylhydroxybenzylamides
Assignee: Novartis Corp
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Filing: 1967-03-30
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Granted: 1973-12-18
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Expires: 1987-03-30
Abstract
Abstract N-(ALKYLHYDROXYBENZYL)ALKAN- OR ALKENAMIDES, WHICH ARE STABILZERS OF ORGANIC MATERIALS SUSCEPTIBLE TO OXIDATIVE DETERIORATION, ARE OBTAINED THROUGH CONDENSATION OF AN ALKYLHYDROXYBENZYL ALCOHOL AND AN ALKANENITRILE, ALKANEDINITRILE, OR ALKENENITRILE, THE PRODUCT IN THE LAST INSTANCE BEING OPTIONALLY SUBJECTED TO AN ADDITION REACTION WITH AN ALKANE MERCAPTAN. A TYPICAL EMBODIMENT IS N(3,5-DI-T-BUTYL-4-HYDROXYBENZYL)DODECANAMIDE.
Inventors
- 👤 M Knell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:46
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/20; C08K5/36; C08K5/37; C08K5/372; C08K5/3725; C10; C10M; C10M3/00; C10M2207/00; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/34; C10M2215/00; C10M2215/08; C10M2215/082; C10M2215/24; C10M2215/28; C10M2219/00; C10M2219/08; C10M2219/082; C10M2219/085; C10N; C10N2040/00; C10N2040/20; C10N2040/22
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) | 1976-12-17 | 1977-06-18 | 1977-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-17 | 1981-06-18 | 1981-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-17 | 1985-06-18 | 1985-12-18 | $7700.00 | Window Closed / Lapsed |