US2530650A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal deactivator
Assignee: Universal Oil Products Co
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Filing: 1947-04-16
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Granted: 1950-11-21
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Expires: 1967-04-16
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Chenicek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:19
CPC Classifications
C; C11; C11B; C11B5/00; C11B5/0042; C11B5/0064; C08; C08K; C08K5/00; C08K5/16; C08K5/29; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/221; C10M; C10M1/00; C10M1/08; C10M2203/00; C10M2203/10; C10M2207/00; C10M2207/02; C10M2207/023; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/062; C10M2215/066; C10M2215/14; C10N; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
OLEFINIC GASOLINE CONTAINING A METAL COMPOUND WHICH NORMALLY CATALYZES OXIDATIVE DETERIORATION AND ADDITIONALLY CONTAINING, AS A METAL DEACTIVATOR, A SMALL AMOUNT OF THE CONDENSATION PRODUCT FORMED BY THE MIXING OF APPROXIMATELY EQUIMOLAR PROPORTIONS OF AN ORTHO-HYDROXY AROMATIC ALDEHYDE AND AN AZIRIDINE HAVING A HYDROGEN ATOM ATTACHED IN THE 1-POSITION.
Claim 2
Dependent Claim
49 words
OLEFINIC GASOLINE CONTAINING A METAL COMPOUND WHICH NORMALLY CATALYZES OXIDATIVE DETERIORATION AND ADDITIONALLY CONTAINING, AS A METAL DEACTIVATOR, A SMALL AMOUNT OF THE CONDENSATION PRODUCT FORMED BY THE MIXING OF APPROXIMATELY EQUIMOLAR PROPORTIONS OF AN ORTHO-HYDROXY AROMATIC ALDEHYDE AND AN AZIRIDINE HAVING A HYDROGEN ATOM ATTACHED IN THE 1-POSITION.
References Cited (Backward Citations)
US2296225A
Cited
US2426766A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-20 | 1954-05-22 | 1954-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-20 | 1958-05-22 | 1958-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-20 | 1962-05-22 | 1962-11-21 | $7700.00 | Window Closed / Lapsed |