Patent US1612121A successfully refreshed from Google Patents.
US3652584A
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1 3-di-aryl-1 2-pyrazolines and their preparation
Assignee: MELLE BEZONS SOC
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Filing: 1968-02-16
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Granted: 1972-03-28
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Expires: 1988-02-16
Abstract
Abstract 1.3-DI-ARYL-1,2-PYRAZOLINES HAVING DETECTABLE AFFINITY FOR DIFFERENT NERVOUS TISSUES TO PROVIDE SEDATIVE, ANTI-INFLAMMATORY AND/OR ANTI-PYRETIC PROPERTIES. THE COMPOSITIONS ARE OF THE FORMULA 1-(X-PHENYL),3-(4-(B-Z-NH-)PHENYL)-2-PYRAZOLINE IN WHICH X IS CL OR CF3; Z IS A KETO-ALKYLENE GROUP HAVING 2 TO 4 CARBON ATOMS; B IS A BASIC RADICAL OF THE FORMULA NR1 R2, WHERE R1 IS AN ALKYL GROUP HAVING 1 TO 4 CARBON ATOMS AND R2 IS THE SAME AS R1 OR HYDROGEN, AND THE PHARMACEUTICALLY ACCEPTABLE ACID ADDTION SALTS THEREOF. THE COMPOUNDS ARE PREPARED BY CONDENSING A COMPOUND OF THE FORMULA 1-(X-PHENYL),3-(4-(H2N-)PHENYL)-2-PYRAZOLINE WITH A COMPOUND OF THE FORMULA C1ZB.
Inventors
- 👤 Andre Henri Passedouet
- 👤 Michel G Roussos
- 👤 Jacqueline Pigeot
- 👤 Nicole Paillole
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:30
CPC Classifications
C; C07; C07D; C07D231/00; C07D231/02; C07D231/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
21 words
3-DI-ARYL-1,2-PYRAZOLINES HAVING DETECTABLE AFFINITY FOR DIFFERENT NERVOUS TISSUES TO PROVIDE SEDATIVE, ANTI-INFLAMMATORY AND/OR ANTI-PYRETIC PROPERTIES. THE COMPOSITIONS ARE OF THE FORMULA
Claim 2
Dependent Claim
21 words
3-DI-ARYL-1,2-PYRAZOLINES HAVING DETECTABLE AFFINITY FOR DIFFERENT NERVOUS TISSUES TO PROVIDE SEDATIVE, ANTI-INFLAMMATORY AND/OR ANTI-PYRETIC PROPERTIES. THE COMPOSITIONS ARE OF THE FORMULA
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) | 1975-03-28 | 1975-09-27 | 1976-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-03-28 | 1979-09-27 | 1980-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-03-28 | 1983-09-27 | 1984-03-28 | $7700.00 | Window Closed / Lapsed |