Patent US4691019A successfully refreshed from Google Patents.
US4691019A
Expired / Lapsed
US
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Anorectic agent; 4-(3-trifluoromethylphenyl)-1-(2-cyanoethyl)-1,2,3,6-tetrahydropyridine
Assignee: Elf Sanofi SA
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Filing: 1985-12-20
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Granted: 1987-09-01
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Expires: 2005-12-20
Abstract
Abstract The invention relates to 4-(3-trifluoromethylphenyl)-1,2,3,6-tetrahydropyridines of formula ##STR1## in which R represents a cyano, acetyl or cycloalkyl group of from 3 to 7 carbon atoms and Alk represents a straight or branched alkylene of from 1 to 4 carbon atoms, as well as to the salts thereof, having an anorectic acitivity, to a process for preparing same and to pharmaceutical compositions containing said compounds, useful in the treatment of obesity.
Inventors
- 👤 Dino Nisato
- 👤 Emilio Crisafulli
- 👤 Alberto Bianchetti
- 👤 Paolo Carminati
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 18:22
CPC Classifications
C; C07; C07D; C07D211/00; C07D211/04; C07D211/68; C07D211/70
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
4-(3-trifluoromethylphenyl)-1-(2-cyanoethyl)-1,2,3,6-tetrahydropyridine or a pharmaceutically acceptable acid addition salt thereof.
Claim 2
Dependent Claim
9 words
4-(3-trifluoromethylphenyl)-1-(2-cyanoethyl)-1,2,3,6-tetrahydropyridine or a pharmaceutically acceptable acid addition salt thereof.
References Cited (Backward Citations)
GB881894A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-08-31 | 1991-03-02 | 1991-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-08-31 | 1995-03-02 | 1995-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-08-31 | 1999-03-02 | 1999-09-01 | $7700.00 | Window Closed / Lapsed |