US2769784A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkylated phenols and stabilized compositions comprising same
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1954-07-23
•
Granted: 1956-11-06
•
Expires: 1974-07-23
Abstract
No abstract record available.
Inventors
- 👤 David W Young
- 👤 Delmer L Cottle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:39
CPC Classifications
C; C07; C07C; C07C323/00; C07C43/00; C07C43/02; C07C43/03; C07C43/14; C07C43/178; C07C43/1782; C07C43/1785; C08; C08K; C08K5/00; C08K5/04; C08K5/13; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/185; C10L1/1852; C10M; C10M1/00; C10M1/08; C10M2207/00; C10M2207/04; C10M2207/046
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A PHENOLIC ANTI-OXIDANT HAVING THE FORMULA
Claim 2
Dependent Claim
6 words
A PHENOLIC ANTI-OXIDANT HAVING THE FORMULA
References Cited (Backward Citations)
US2668862A
Cited
US2488134A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-06 | 1960-05-07 | 1960-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-06 | 1964-05-07 | 1964-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-06 | 1968-05-07 | 1968-11-06 | $7700.00 | Window Closed / Lapsed |