Patent SE309499B successfully refreshed from Google Patents.
Patent US4020083A successfully refreshed from Google Patents.
US4020083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
5-(2-Aminophenyl)-s-triazoles
Assignee: Sandoz Inc
•
Filing: 1975-07-08
•
Granted: 1977-04-26
•
Expires: 1995-07-08
Abstract
Abstract Anti-inflammatory agents of the formula: <IMAGE> wherein R DEG is hydrogen, halo, alkoxy, alkyl, or CF3 or two adjacent R DEG together may also form methylenedioxy, R is hydrogen or lower alkyl, and N IS 1 OR 2.
Inventors
- 👤 Faizulla G. Kathawala
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:47
CPC Classifications
C; C07; C07D; C07D249/00; C07D249/02; C07D249/08; C07D487/00; C07D487/02; C07D487/04
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
124 words
A compound of the formula: ##STR11## wherein R° is hydrogen, halo selected from the group consisting of bromo, chloro and fluoro, alkoxy of 1 to 4 carbon atoms, alkyl of 1 to 4 carbon atoms or CF 3 or two adjacent R° together form methylenedioxy, R is hydrogen or alkyl of 1 to 4 carbon atoms, and n is 1 or 2, or a pharmaceutically acceptable acid addition salt thereof, provided that i. when n is 1, and one of R° and R signifies hydrogen, the other signifies other than hydrogen, ii. when n is 1, and R signifies alkyl of 1 to 4 carbon atoms, then R° signifies other than hydrogen, and iii. when n is 2, then only one R° signifies hydrogen.
Claim 2
Dependent Claim
124 words
A compound of the formula: ##STR11## wherein R° is hydrogen, halo selected from the group consisting of bromo, chloro and fluoro, alkoxy of 1 to 4 carbon atoms, alkyl of 1 to 4 carbon atoms or CF 3 or two adjacent R° together form methylenedioxy, R is hydrogen or alkyl of 1 to 4 carbon atoms, and n is 1 or 2, or a pharmaceutically acceptable acid addition salt thereof, provided that i. when n is 1, and one of R° and R signifies hydrogen, the other signifies other than hydrogen, ii. when n is 1, and R signifies alkyl of 1 to 4 carbon atoms, then R° signifies other than hydrogen, and iii. when n is 2, then only one R° signifies hydrogen.
Claim 3
Dependent Claim
25 words
A compound of claim 1 having the formula: ##STR12## wherein R is as defined in claim 1, or a pharmaceutically acceptable acid addition salt thereof.
Claim 4
Dependent Claim
8 words
The compound of claim 2 which is 5-(2-amino-5-chlorophenyl)-s-triazole.
References Cited (Backward Citations)
US3862137A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-04-25 | 1980-10-25 | 1981-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-04-25 | 1984-10-25 | 1985-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-04-25 | 1988-10-25 | 1989-04-26 | $7700.00 | Window Closed / Lapsed |