US3590083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkylthioalkanoylaminophenol antioxidants
Assignee: Novartis Corp
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Filing: 1969-02-28
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Granted: 1971-06-29
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Expires: 1989-02-28
Abstract
Abstract NOVEL ALKYTHIOALKANOYLAMINOPHENOL COMPOUNDS ARE PROVIDED BY A PROCEDURE INVOLVING THE REACTION OF AN ALKYLAMINOPHENOL AND ALKYTHIOALKANOYL CHLORIDE. THE ALKYLTHIOALKANOLAMINOPHENOLS ARE USEFUL STABILIZERS OF ORGANIC MATERIALS WHICH ARE SUBJECT TO OXIDATIVE DETERIORATION.
Inventors
- 👤 Martin Dexter
- 👤 Briarcliff Manor
- 👤 Martin Knell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:45
CPC Classifications
C; C10; C10M; C10M135/00; C10M135/20; C10M135/22; C10M135/26; C08; C08K; C08K5/00; C08K5/36; C08K5/37; C08K5/372; C08K5/3725; C09; C09K; C09K15/00; C09K15/04; C09K15/28; C10M2207/00; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/34; C10M2207/40; C10M2207/402; C10M2207/404; C10M2219/00; C10M2219/08; C10M2219/082; C10M2219/084; C10M2219/085; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; 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) | 1974-06-28 | 1974-12-28 | 1975-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-28 | 1978-12-28 | 1979-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-28 | 1982-12-28 | 1983-06-29 | $7700.00 | Window Closed / Lapsed |