US2789912A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deactivating catalytic effect of metals
Assignee: Universal Oil Products Co
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Filing: 1953-02-24
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Granted: 1957-04-23
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Expires: 1973-02-24
Abstract
No abstract record available.
Inventors
- 👤 William K T Gleim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:10
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/228; C10L1/2283; C08; C08K; C08K5/00; C08K5/16; C08K5/29; C10M; C10M1/00; C10M1/08; C11; C11B; C11B5/00; C11B5/0042; C10M2215/00; C10M2215/14; C10N; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
29 words
AN ORGANIC MATERIAL CONTAINING A METAL WHICH NORMALLY CATALYZES OXIDATIVE DETERIORATION OF SAID MATERIAL AND ADDITIONALLY CONTAINING A METAL DEACTIVATING AMOUNT OF A KETIMINE COMPOUND HAVING THE GENERAL STRUCTURE:
Claim 2
Dependent Claim
29 words
AN ORGANIC MATERIAL CONTAINING A METAL WHICH NORMALLY CATALYZES OXIDATIVE DETERIORATION OF SAID MATERIAL AND ADDITIONALLY CONTAINING A METAL DEACTIVATING AMOUNT OF A KETIMINE COMPOUND HAVING THE GENERAL STRUCTURE:
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) | 1960-04-22 | 1960-10-22 | 1961-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-22 | 1964-10-22 | 1965-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-22 | 1968-10-22 | 1969-04-23 | $7700.00 | Window Closed / Lapsed |