US3754937A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plicatic acid esters
Assignee: Rayonier Inc
•
Filing: 1972-08-13
•
Granted: 1973-08-28
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Expires: 1992-08-13
Abstract
Abstract New compositions of matter comprising alkyl and aryl esters of plicatic acid, and the use of these esters as antioxidants for fats and oils, are disclosed.
Inventors
- 👤 J Howard
- 👤 Intosh T Mc
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 17:19
CPC Classifications
C; C11; C11B; C11B5/00; C11B5/0021; C11B5/0035
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
12 words
The combination according to claim 1 where R is a methyl radical.
Claim 2
Dependent Claim
12 words
The combination according to claim 1 where R is an ethyl radical.
Claim 3
Dependent Claim
12 words
The combination according to claim 1 where R is a propyl radical.
Claim 4
Dependent Claim
12 words
The combination according to claim 1 where R is a dodecyl radical.
Claim 5
Dependent Claim
12 words
The combination according to claim 1 where R is a benzyl radical.
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) | 1976-08-27 | 1977-02-26 | 1977-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-27 | 1981-02-26 | 1981-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-27 | 1985-02-26 | 1985-08-28 | $7700.00 | Window Closed / Lapsed |