US3654277A
Expired / Lapsed
US
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1 - (phenylalkyl-cycloalkyloxyalkyl)-piperazinyl-4-acetic acid-anilide compounds and therapeutic compositions
Assignee: Roche Diagnostics GmbH
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Filing: 1969-09-15
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Granted: 1972-04-04
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Expires: 1989-09-15
Abstract
Abstract BASIC ETHERS HAVING THE FORMULA 1-((4-((R1-PHENYL)-X-C<(-(CH2)2-(CH2)N-CH2-)-(CH2)M-)- PIPERAZIN-1-YL)-CH2-CO-NH-),R2,R3-BENZENE WHEREIN R1, R2 AND R3 EACH REPRESENTS HYDROGEN, HALOGEN, LOWER ALKYL, ALKOXY OR TRIFLUOROMETHYL, X IS A VALENCY BOND OR A METHYLENE GROUP, N IS A WHOLE NUMBER OF FROM 1 TO 8 AND M IS 2 OR 3, AND THEIR PHARMACEUTICALLY ACCEPTABLE SALTS, HAVING CARDIOVASCULAR ACTIVITY.
Inventors
- 👤 Werner Winter
- 👤 Max Thiel
- 👤 Kurt Stach
- 👤 Wolfgang Schaumann
- 👤 Karl Dietmann
- 👤 Wolfgang Juhran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:00
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/08; C07D295/084; C07D295/088; C07D295/14; C07D295/145; C07D295/15
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-04-04 | 1975-10-04 | 1976-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-04-04 | 1979-10-04 | 1980-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-04-04 | 1983-10-04 | 1984-04-04 | $7700.00 | Window Closed / Lapsed |