US2591651A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized organic compositions containing bis (hydroxy alkoxy phenyl) alkanes
Assignee: Standard Oil Development Co
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Filing: 1949-11-21
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Granted: 1952-04-01
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Expires: 1969-11-21
Abstract
No abstract record available.
Inventors
- 👤 David W Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:53
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/185; C10L1/1852; C08; C08K; C08K5/00; C08K5/04; C08K5/13; C10M; C10M1/00; C10M1/08; C11; C11B; C11B5/00; C11B5/0021; C11B5/0035; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/025; C10M2207/04; C10M2207/046; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10M2215/14; C10M2219/00; C10M2219/08; C10M2219/082; C10M2219/087; C10M2219/088; C10M2219/089; C10N; C10N2040/00; C10N2040/135; Y; Y10; Y10S; Y10S524/00; Y10S524/925
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
50 words
A COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF AN ORGANIC MATERIAL NORMALLY SUBJECT TO OXIDATIVE CHANGES SELECTED FROM THE GROUP CONSISTING OF GREASE, SYNTHETIC RUBBER, LUBRICATING OIL, DRYING OIL, WAX, ANIMAL FAT, CRACKED GASOLINE AND MINERAL OIL CONTAINING A MINOR PROPORTION EFFECTIVE AS AN ANTIOXIDANT OF A BIS (2-HYDROXY5-ALKOXY PHENYL) ALKANE.
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) | 1955-04-01 | 1955-10-01 | 1956-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-01 | 1959-10-01 | 1960-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-01 | 1963-10-01 | 1964-04-01 | $7700.00 | Window Closed / Lapsed |