US2657983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synergistic stabilizing compositions
Assignee: Ethyl Corp
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Filing: 1952-03-18
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Granted: 1953-11-03
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Expires: 1972-03-18
Abstract
No abstract record available.
Inventors
- 👤 Eugene F Hill
- 👤 Margaret L Osip
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:29
CPC Classifications
C; C11; C11B; C11B5/00; C11B5/0092; C08; C08K; C08K5/00; C08K5/16; C08K5/17; C08K5/18; C08K5/36; C08K5/37; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10M; C10M1/00; C10M1/08; C10L1/22; C10L1/222; C10L1/223; C10L1/2235; C10L1/24; C10L1/2406; C10L1/2418; C10M2207/00; C10M2207/40; C10M2207/404; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/062; C10M2219/00; C10M2219/08; C10M2219/082; C10M2219/085; Y; Y10; Y10S; Y10S524/00; Y10S524/925
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
35 words
A SYNERGISTIC ANTIOXIDANT COMPOSITION EFFECTIVE IN INHIBITING OXIDATION IN OXYGEN-SENSITIVE ORGANIC MATERIALS CONSISTING ESSENTIALLY OF BETWEEN ABOUT 30 AND 100 PARTS BY WEIGHT OF ALKYL THIOGLYCOLATE AND ABOUT 100 PARTS BY WEIGHT OF AN AMINOPHENOL.
References Cited (Backward Citations)
US2227517A
Cited
US2606169A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-02 | 1957-05-04 | 1957-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-02 | 1961-05-04 | 1961-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-02 | 1965-05-04 | 1965-11-03 | $7700.00 | Window Closed / Lapsed |