US4618708A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amino acid derivative
Assignee: Individual
•
Filing: 1985-03-25
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Granted: 1986-10-21
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Expires: 2005-03-25
Abstract
Abstract Derivatives having the general formula: ##STR1## in which the various radicals A,B,X,R 1 , R 2 , R 3 and n have indicated definitions. These compounds have in particular enkephalinase-inhibiting, antalgic, antidepressive, antidiarrhea and hypotensive activities.
Inventors
- 👤 Bernard Roques
- 👤 Jean-Charles Schwartz
- 👤 Jeanne-Marie Lecomte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 01:32
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/08; C07D295/084; C07D295/088; A; A61; A61P; A61P1/00; A61P1/12; A61P25/00; A61P25/04; A61P25/24; A61P25/26; C07D207/00; C07D207/02; C07D207/04; C07D207/10; C07D207/16; C07D209/00; C07D209/02; C07D209/04; C07D209/10; C07D209/18; C07D209/20; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/22; C07F9/222; C07F9/24; C07F9/2454; C07F9/2458; C07F9/2475; C07F9/28; C07F9/38; C07F9/3804; C07F9/3808; C07F9/3882; C07K; C07K5/00; C07K5/04; C07K5/06; C07K5/06191; A61K; A61K38/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
1 words
##STR65##
Claim 2
Dependent Claim
1 words
##STR65##
References Cited (Backward Citations)
US4146641A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-10-20 | 1990-04-21 | 1990-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-10-20 | 1994-04-21 | 1994-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-10-20 | 1998-04-21 | 1998-10-21 | $7700.00 | Window Closed / Lapsed |