Patent US3898236A successfully refreshed from Google Patents.
US3898236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2,3,3A,4,6,7,8,9,9A,9B-DECAHYDRO-4-(PHENYL OR SUBSTITUTED PHENYL)-1H-pyrrolo(3,4-h) isoquinolines
Assignee: ER Squibb and Sons LLC
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Filing: 1974-09-30
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Granted: 1975-08-05
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Expires: 1994-09-30
Abstract
Abstract 2,3,3a,4,6,7,8,9,9a,9b-Decahydro-4-(phenyl or substituted phenyl)-1H-pyrrolo(3,4-h)isoquinolines 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 are disclosed.
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; C07D491/00; C07D491/02; C07D491/04; C07D491/044; C07D491/048; 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
9 words
The compound of claim 1 wherein Z is p-methoxyphenyl.
Claim 4
Dependent Claim
9 words
The compound of claim 1 wherein Z is phenyl.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-08-04 | 1979-02-03 | 1979-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-08-04 | 1983-02-03 | 1983-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-08-04 | 1987-02-03 | 1987-08-05 | $7700.00 | Window Closed / Lapsed |