Patent US4013670A successfully refreshed from Google Patents.
US4013670A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Derivatives of pyrrolidine and piperidine
Assignee: Riker Laboratories Inc
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Filing: 1975-05-27
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Granted: 1977-03-22
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Expires: 1995-05-27
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 nitrogen of a substituted benzamido group, and their pharmaceutically acceptable salts, are found to be active as antiarrhythmic agents.
Inventors
- 👤 Elden H. Banitt
- 👤 William R. Bronn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:09
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/24; C07D213/36; C07D213/40; C07D207/00; C07D207/02; C07D207/04; C07D207/08; C07D207/10; C07D207/14; C07D211/00; C07D211/04; C07D211/06; C07D211/08; C07D211/18; C07D211/26; C07D211/36; C07D211/56; C07D211/58; C07D213/60; C07D213/72; C07D213/75
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
40 words
A compound of the formula ##STR34## wherein R f is a perfluoroalkyl radical containing from one to three carbon atoms, n is one to three, Q is a carbon-nitrogen bond, methylene or methylmethylene and R' is hydrogen, methyl or ethyl.
Claim 2
Dependent Claim
40 words
A compound of the formula ##STR34## wherein R f is a perfluoroalkyl radical containing from one to three carbon atoms, n is one to three, Q is a carbon-nitrogen bond, methylene or methylmethylene and R' is hydrogen, methyl or ethyl.
Claim 3
Dependent Claim
7 words
The compound 2,5-bis(2,2,2-trifluoroethoxy)-N-(3-pyridyl)benzamide according to claim 1.
Claim 4
Dependent Claim
7 words
The compound 2,5-bis(2,2,2-trifluoroethoxy)-N-[1-(2-pyridyl)ethyl]benzamide according to claim 1.
Claim 5
Dependent Claim
5 words
2,5-Bis(2,2,2-trifluoroethoxy)-N-[(6-methyl-2-pyridyl)methyl]benzamide according to claim 1.
Claim 6
Dependent Claim
7 words
The compound 2,5-bis(2,2,2-trifluoroethoxy-N-(2-pyridylmethyl)benzamide according to claim 1.
Claim 7
Dependent Claim
7 words
The compound 2,5-bis(2,2,2-trifluoroethoxy)-N-(2-pyridyl)benzamide according to claim 1.
Claim 8
Dependent Claim
7 words
The compound 2,5-bis(2,2,2-trifluoroethoxy)-N-(3-pyridylmethyl)benzamide according to claim 1.
Claim 9
Dependent Claim
7 words
The compound 2,5-bis(2,2,2-trifluoroethoxy)-N-(4-pyridyl)benzamide according to claim 1.
References Cited (Backward Citations)
US3270026A
Cited
US3509166A
Cited
US3655677A
Cited
US3655728A
Cited
US3719687A
Cited
US3923820A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-03-21 | 1980-09-20 | 1981-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-03-21 | 1984-09-20 | 1985-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-03-21 | 1988-09-20 | 1989-03-22 | $7700.00 | Window Closed / Lapsed |