US2647824A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized compositions containing hydrogenated quinolines with oxidation inhibitors
Assignee: Standard Oil Development Co
•
Filing: 1949-01-26
•
Granted: 1953-08-04
•
Expires: 1969-01-26
Abstract
No abstract record available.
Inventors
- 👤 Allen R Jones
- 👤 Jr John O Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:52
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/103; C10L1/14; C10M; C10M1/00; C10M1/08; C10L1/18; C10L1/182; C10L1/183; C10L1/1832; C10L1/22; C10L1/222; C10L1/223; C10L1/2235; C10L1/232; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/026; C10M2207/10; C10M2207/16; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/062; C10M2215/066; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/30; C10N; C10N2040/00; C10N2040/135
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A HYDROCARBON COMPOSITION NORMALLY CHARACTERIZED BY OXIDATION INSTABILITY CONTAINING SMALL QUANTITIES OF A HYDROGENATED QUINOLINE SELECTED FROM THE CALSS CONSISTING OF TETRAHYDROQUINOLINE, TETRAHYDROQUINALDINE, DECAHYDROQUINOLINE, AND DECAHYDROQUINALDINE AND AN OXIDATION INHIBITOR CONSISTING OF N-NBUTYL PARAMINO PHENOL, SAID COMPOSITION CONTAINING A WEIGHT RATIO OF SAID HYDROGENATED QUOLINE TO SAID INHIBITOR RANGING FROM 0.1 TO 10.
Claim 2
Dependent Claim
53 words
A HYDROCARBON COMPOSITION NORMALLY CHARACTERIZED BY OXIDATION INSTABILITY CONTAINING SMALL QUANTITIES OF A HYDROGENATED QUINOLINE SELECTED FROM THE CALSS CONSISTING OF TETRAHYDROQUINOLINE, TETRAHYDROQUINALDINE, DECAHYDROQUINOLINE, AND DECAHYDROQUINALDINE AND AN OXIDATION INHIBITOR CONSISTING OF N-NBUTYL PARAMINO PHENOL, SAID COMPOSITION CONTAINING A WEIGHT RATIO OF SAID HYDROGENATED QUOLINE TO SAID INHIBITOR RANGING FROM 0.1 TO 10.
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) | 1956-08-03 | 1957-02-02 | 1957-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-03 | 1961-02-02 | 1961-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-03 | 1965-02-02 | 1965-08-04 | $7700.00 | Window Closed / Lapsed |