US2687962A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of organic compounds
Assignee: Universal Oil Products Co
•
Filing: 1953-01-19
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Granted: 1954-08-31
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Expires: 1973-01-19
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Chenicek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:35
CPC Classifications
C; C11; C11B; C11B5/00; C11B5/0042; C11B5/005; C08; C08F; C08F2/00; C08F2/38; C08K; C08K5/00; C08K5/16; C08K5/29; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/228; C10L1/2283; C10M; C10M1/00; C10M1/08; C10M2215/00; C10M2215/14; C10N; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
21 words
A METHOD OF STABILIZING AN ORGANIC MATERIAL SUBJECT TO OXIDATIVE DETERIORATION WHICH COMPRISES ADDING THERETO AN INHIBITOR COMPRISING AN N,N''-DIHYDROXYPHENYL AMIDINE.
Claim 2
Independent Claim
21 words
A METHOD OF STABILIZING AN ORGANIC MATERIAL SUBJECT TO OXIDATIVE DETERIORATION WHICH COMPRISES ADDING THERETO AN INHIBITOR COMPRISING AN N,N''-DIHYDROXYPHENYL AMIDINE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-30 | 1958-03-01 | 1958-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-30 | 1962-03-01 | 1962-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-30 | 1966-03-01 | 1966-08-31 | $7700.00 | Window Closed / Lapsed |