US2833636A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of organic compounds
Assignee: Universal Oil Products Co
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Filing: 1954-01-12
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Granted: 1958-05-06
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Expires: 1974-01-12
Abstract
No abstract record available.
Inventors
- 👤 William K T Gleim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:25
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/222; C10M; C10M1/00; C10M1/08; C11; C11B; C11B5/00; C11B5/0021; C11B5/0035; C10L1/223; C10L1/2235; C10M2207/00; C10M2207/40; C10M2207/404; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/06; C10M2215/062; C10M2215/066; C10M2215/24; C10M2215/26; C10M2217/00; C10M2217/04; C10M2217/046; C10M2217/06; Y; Y10; Y10S; Y10S524/00; Y10S524/925
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
29 words
A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF HYDROCARBON AND FATTY MATERIALS SUBJECT TO DETERIORATION IN STORAGE CONTAINING, AS AN INHIBITOR FOR SAID DETERIORATION, A STABILIZING AMOUNT OF N-ARYL-ORTHO-AMINOPHENOL
Claim 2
Dependent Claim
29 words
A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF HYDROCARBON AND FATTY MATERIALS SUBJECT TO DETERIORATION IN STORAGE CONTAINING, AS AN INHIBITOR FOR SAID DETERIORATION, A STABILIZING AMOUNT OF N-ARYL-ORTHO-AMINOPHENOL
Claim 3
Dependent Claim
40 words
GASOLINE NORMALLY SUBJECT TO OXIDATIVE DETERIORATION CONTAINING FROM ABOUT 0.001% TO ABOUT 5% BY WEIGHT OF N-ARYL-ORTHO-AMINOPHENOL AND FROM ABOUT 0.00001% TO ABOUT 0.5% BY WEIGHT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALKYLENE POLYAMINE AND N,N''-DI-ALKYL-P-PHENYLENE DIAMINE.
Claim 4
Dependent Claim
40 words
GASOLINE NORMALLY SUBJECT TO OXIDATIVE DETERIORATION CONTAINING FROM ABOUT 0.001% TO ABOUT 5% BY WEIGHT OF N-ARYL-ORTHO-AMINOPHENOL AND FROM ABOUT 0.00001% TO ABOUT 0.5% BY WEIGHT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALKYLENE POLYAMINE AND N,N''-DI-ALKYL-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) | 1961-05-05 | 1961-11-04 | 1962-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-05 | 1965-11-04 | 1966-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-05 | 1969-11-04 | 1970-05-06 | $7700.00 | Window Closed / Lapsed |