Patent US3868416A successfully refreshed from Google Patents.
US3868416A
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Hypolipidemic 4-(monoalkylamino)benzoic acid derivatives
Assignee: Wyeth Holdings LLC
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Filing: 1973-10-01
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Granted: 1975-02-25
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Expires: 1993-10-01
Abstract
Abstract 4-(Monoalkylamino)benzoic acids and esters, pharmaceutically acceptable salts thereof, and a method for lowering serum lipids in mammals by administration of said acids, esters and salts; and pharmaceutical compositions thereof.
Inventors
- 👤 Jay Donald Albright
- 👤 Stephen Joseph Riggi
- 👤 Robert Gordon Shepherd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:48
CPC Classifications
C; C07; C07C; C07C229/00; C07C229/52; C07C229/54; C07C229/60; A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/435; A61K31/44; A61P; A61P3/00; A61P3/06
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
6 words
4-(MONOALKYLAMINO)BENZOIC ACID DERIVATIVES OF THE FORMULA:
Claim 2
Dependent Claim
6 words
4-(MONOALKYLAMINO)BENZOIC ACID DERIVATIVES OF THE FORMULA:
Claim 3
Dependent Claim
2 words
4-(n-Tetradecylamino)benzoic acid.
Claim 4
Dependent Claim
2 words
4-(n-Tetradecylamino)benzoic acid.
Claim 5
Dependent Claim
2 words
4-(n-Pentadecylamino)benzoic acid.
Claim 6
Dependent Claim
2 words
4-(n-Pentadecylamino)benzoic acid.
Claim 7
Dependent Claim
2 words
4-(n-Hexadecylamino)benzoic acid.
Claim 8
Dependent Claim
2 words
4-(n-Hexadecylamino)benzoic acid.
Claim 9
Dependent Claim
2 words
4-(n-Heptadecylamino)benzoic acid.
Claim 10
Dependent Claim
2 words
4-(n-Heptadecylamino)benzoic acid.
Claim 11
Dependent Claim
6 words
Pharmaceutically acceptable salts of 4-(n-Hexadecylamino)benzoic acid.
Claim 12
Dependent Claim
6 words
Pharmaceutically acceptable salts of 4-(n-Hexadecylamino)benzoic acid.
Claim 13
Dependent Claim
5 words
Sodium salt of 4-(n-Hexadecylamino)benzoic acid.
Claim 14
Dependent Claim
5 words
Sodium salt of 4-(n-Hexadecylamino)benzoic acid.
References Cited (Backward Citations)
US3758561A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-02-24 | 1978-08-26 | 1979-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-02-24 | 1982-08-26 | 1983-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-02-24 | 1986-08-26 | 1987-02-25 | $7700.00 | Window Closed / Lapsed |