Patent US4097481A successfully refreshed from Google Patents.
US4097481A
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US
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Tertiary amide derivatives of pyrrolidine and piperidine
Assignee: Riker Laboratories Inc
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Filing: 1976-11-08
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Granted: 1978-06-27
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Expires: 1996-11-08
Abstract
Abstract Certain compounds in which a carbon atom of a pyrrolidine or piperidine ring is bonded directly or through a methylene group to the completely substituted nitrogen of a substituted benzamido group, and their pharmaceutically acceptable salts, are active antiarrhythmic agents.
Inventors
- 👤 Elden H. Banitt
- 👤 William E. Coyne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 15:09
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/24; C07D213/36; C07D213/40; C07D207/00; C07D207/02; C07D207/04; C07D207/10; C07D207/14; C07D207/30; C07D207/34; C07D211/00; C07D211/04; C07D211/06; C07D211/08; C07D211/18; C07D211/26
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
47 words
A compound of the formula ##STR30## wherein R f is a perfluoroalkyl radical containing one to three carbon atoms, n is one to three, Q is methylene or methylmethylene and X is a cycloalkyl group containing five or six carbon atoms or a pharmaceutically acceptable salt thereof.
Claim 2
Dependent Claim
47 words
A compound of the formula ##STR30## wherein R f is a perfluoroalkyl radical containing one to three carbon atoms, n is one to three, Q is methylene or methylmethylene and X is a cycloalkyl group containing five or six carbon atoms or a pharmaceutically acceptable salt thereof.
Claim 3
Dependent Claim
9 words
The compound 2,5-bis(2,2,2-trifluoroethoxy)-N-cyclohexyl-N-(2-piperidylmethyl)benzamide or a pharmaceutically acceptable salt thereof.
Claim 4
Dependent Claim
9 words
The compound 2,5-bis(2,2,2-trifluoroethoxy)-N-cyclohexyl-N-(2-piperidylmethyl)benzamide or a pharmaceutically acceptable salt thereof.
References Cited (Backward Citations)
US3900481A
Cited
DE2556457A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-06-26 | 1981-12-26 | 1982-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-06-26 | 1985-12-26 | 1986-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-06-26 | 1989-12-26 | 1990-06-27 | $7700.00 | Window Closed / Lapsed |