US3911129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pyrazolo-pyridine biologically active compounds
Assignee: ER Squibb and Sons LLC
•
Filing: 1974-07-01
•
Granted: 1975-10-07
•
Expires: 1994-07-01
Abstract
Abstract Compounds of the formula HAVE BEEN FOUND TO POSSESS CNS and anti-inflammatory activity.
Inventors
- 👤 John Krapcho
- 👤 Chester Frank Turk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:32
CPC Classifications
C; C07; C07D; C07D471/00; C07D471/02; C07D471/04; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/62; C07D213/63
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 3
Dependent Claim
11 words
A compound of claim 1 having the name 2,3,4a,4,6,7-hexahydro-2-methyl-3-phenyl-7-(phenylmethylene)-5H-pyrazolo -(4,3-c)pyridine-5-carboximamide hydrochloride.
Claim 4
Dependent Claim
18 words
A compound of claim 1 wherein each X is hydrogen, R is methyl and each R'' is hydrogen.
Claim 5
Dependent Claim
15 words
A composition comprising a compound of claim 1 in combination with a pharmaceutically acceptable carrier.
References Cited (Backward Citations)
US3804773A
Cited
US3852279A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-10-06 | 1979-04-07 | 1979-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-10-06 | 1983-04-07 | 1983-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-10-06 | 1987-04-07 | 1987-10-07 | $7700.00 | Window Closed / Lapsed |