Patent US4287935A successfully refreshed from Google Patents.
Patent US4146546A successfully refreshed from Google Patents.
US4146546A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polysubstituted-alkyl esters of 4-alkylaminobenzoic acids
Assignee: Wyeth Holdings LLC
•
Filing: 1977-10-12
•
Granted: 1979-03-27
•
Expires: 1997-10-12
Abstract
Abstract Compounds of the formula: ##STR1## or pharmaceutically acceptable salts thereof wherein R 4 is an unbranched or branched alkyl group C n H 2n+1 wherein n is 8 to 19, having the ability to arrest the development of atheromatous lesions as well as to lower serum sterols and triglycerides in warm-blooded animals, are disclosed.
Inventors
- 👤 Robert G. Shepherd
- 👤 Thomas G. Miner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:47
CPC Classifications
C; C07; C07H; C07H13/00; C07H13/02; C07H13/08; C07D; C07D303/00; C07D303/02; C07D303/12; C07D303/16; C07D319/00; C07D319/04; C07D319/06
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
32 words
A compound of the formula: ##STR6## or a pharmaceutically acceptable salt thereof wherein R 4 is an unbranched or branched alkyl group C n H 2n+1 wherein n is 8 to 19.
Claim 2
Dependent Claim
32 words
A compound of the formula: ##STR6## or a pharmaceutically acceptable salt thereof wherein R 4 is an unbranched or branched alkyl group C n H 2n+1 wherein n is 8 to 19.
Claim 3
Dependent Claim
9 words
The compound according to claim 1, 2,3-epoxy-propyl 4-(n-hexadecylamino) benzoate.
References Cited (Backward Citations)
US2769798A
Cited
US3847907A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-03-26 | 1982-09-25 | 1983-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-03-26 | 1986-09-25 | 1987-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-03-26 | 1990-09-25 | 1991-03-27 | $7700.00 | Window Closed / Lapsed |