US3657322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cycloaliphatic dialkylhydroxyphenylalkanoates
Assignee: Novartis Corp
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Filing: 1967-06-26
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Granted: 1972-04-18
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Expires: 1987-06-26
Abstract
Abstract ALKYLHYDROXYPHENYLALKANOIC ACID ESTERS OF MONO- AND POLYHYDRIC ALICYCLIC ALCOHOLS, PREPARED BY KNOW ESTERIFICATION OR TRANSESTERIFICATION PROCEDURES, ARE STABILIZERS OF ORGANIC MATERIAL SUBJECT OT OXIDATIVE DETERIORATION.
Inventors
- 👤 Martin Dexter
- 👤 David H Steinberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:34
CPC Classifications
C; C11; C11D; C11D9/00; C11D9/04; C11D9/045; C08; C08K; C08K5/00; C08K5/04; C08K5/13; C09; C09K; C09K15/00; C09K15/04; C09K15/06; C09K15/08; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/19; C10L1/191
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) | 1975-04-18 | 1975-10-18 | 1976-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-04-18 | 1979-10-18 | 1980-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-04-18 | 1983-10-18 | 1984-04-18 | $7700.00 | Window Closed / Lapsed |