Patent US3573304A successfully refreshed from Google Patents.
US3573304A
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US
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1-dimethylamino - 3 - methyl-2(pyridyl or pyridazinyl) pentane and the corresponding non-toxic acid addition salts thereof
Assignee: Synthelabo SA
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Filing: 1968-12-03
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Granted: 1971-03-30
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Expires: 1988-12-03
Abstract
Abstract A COMPOUND HAVING UTILITY AS A CARDIOVASCULAR AGENT, A DIURETIC AGENT OR A SPASMOLYTIC AGENT AND HAVING THE FORMULA: AR-CH(-R)-X-N(-R'')-R" IN WHICH AR IS A HYDROGEN ATOM, AN AROMATI RADICAL WHICH MAY BE MONO OR POLYSUBSTITUTED BY GROUPS OR LOW MOLECULAR WEIGHT OR A HETEROCYCLIC RADICAL, R IS A SATURATED OR UNSATURATED LINEAR OR BRANCHED-CHAIN RADICAL HAVING ONE TO FIVE CARBON ATOMS AND WHICH MAY CONTAIN A FUNCTIONAL GROUP, R'' AND R" EACH IS A HYDROGEN ATOM, AN ALIPHATIC RADICAL HAVING ONE TO THREE CARBON ATOMS OR R'' AND R" PLUS RADICAL OR A METHYLENE RADICAL AND AR ALSO INCLUDING A CYCLIC SATURATED RADICAL WHEN X IS A METHYLENE RADICAL.
Inventors
- 👤 Jeannine A Eberle
- 👤 Micheline Y Sergant
- 👤 Claude P Fauran
- 👤 Gerard J Huguet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:15
CPC Classifications
C; C07; C07D; C07D215/00; C07D215/02; C07D215/04; C07C; C07C57/00; C07C57/52; C07C57/58; C07D213/00; C07D213/02; C07D213/04; C07D213/24; C07D213/36; C07D213/38; C07D215/12; C07D295/00; C07D295/16; C07D295/18; C07D295/182; C07D295/185
Claims Analysis
Total Claims: 0
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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) | 1974-03-29 | 1974-09-28 | 1975-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-29 | 1978-09-28 | 1979-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-29 | 1982-09-28 | 1983-03-30 | $7700.00 | Window Closed / Lapsed |