Patent US2633415A successfully refreshed from Google Patents.
US2633415A
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Stabilization of organic compounds
Assignee: Universal Oil Products Co
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Filing: 1949-02-21
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Granted: 1953-03-31
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Expires: 1969-02-21
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Chenicek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:45
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10L; C10L1/00; C10L1/10; C10L1/14; C11; C11B; C11B5/00; C11B5/0042; C11B5/005; C10L1/18; C10L1/182; C10L1/183; C10L1/22; C10L1/222; C10L1/2222; C10L1/223; C10L1/2235; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/04; C10M2207/046; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/06; C10M2215/062; C10M2215/066; C10M2215/24; C10M2215/26; C10N; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
41 words
UNSATURATED GASOLINE CONTAINING FROM ABOUT 0.0001% TO ABOUT 0.1% BY WEIGHT OF A QUANTERNARY AMMONIUM ALKOXIDE AND FROM ABOUT 0.001% TO ABOUT 0.1% BY WEIGHT OF AN OXIDATION INHIBITOR SELECTED FROM THE GROUP CONSISTING OF A P-AMINOPHENOL AND A P-PHENYLENE DIAMINE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-30 | 1956-09-29 | 1957-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-30 | 1960-09-29 | 1961-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-30 | 1964-09-29 | 1965-03-31 | $7700.00 | Window Closed / Lapsed |