Patent US3901897A successfully refreshed from Google Patents.
US3901897A
Expired / Lapsed
US
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1,2,3,4,4a,5,6,7-octahydro-7-aryl-isoquinolines and derivatives thereof
Assignee: ER Squibb and Sons LLC
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Filing: 1972-10-05
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Granted: 1975-08-26
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Expires: 1992-10-05
Abstract
Abstract 1,2,3,4,4a,5,6,7-Octahydro-7-aryl-isoquinolines and derivatives thereof and their methods of preparation are disclosed. In addition, pharmaceutical compositions containing said compounds and methods for using said compositions as anti-inflammatory, antianginal and antiarrhythmic agents and to reduce blood pressure are reported.
Inventors
- 👤 Frederic Peter Hauck
- 👤 Joseph E Sundeen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:23
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/24; C07D213/28; C07D213/30; C07D211/00; C07D211/04; C07D211/68; C07D217/00; C07D217/02; C07D217/04
Claims Analysis
Total Claims: 4
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
24 words
The compounds of claim 1 wherein R1 is methyl; R is methyl; and Z is selected from the group consisting of phenyl and methoxyphenyl.
Claim 4
Dependent Claim
10 words
The compound of claim 2 having the name 1,3,3a,4,6,-7,8,9,9a, 9b-decahydro-4-(p-methoxyphenyl)-2,7-dimethyl-2H-pyrrolo(3,4-f)isoquinoline.
References Cited (Backward Citations)
US3668208A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-08-25 | 1979-02-24 | 1979-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-08-25 | 1983-02-24 | 1983-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-08-25 | 1987-02-24 | 1987-08-26 | $7700.00 | Window Closed / Lapsed |