US3974176A
Expired / Lapsed
US
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Halogen pyrazoles derivatives, a method for producing these halogen pyrazole derivatives and medicaments containing them
Assignee: Takeda GmbH
•
Filing: 1975-08-05
•
Granted: 1976-08-10
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Expires: 1995-08-05
Abstract
Abstract 1,3-Diaryl-5-halogen-pyrazole-4-acetic acids and their derivatives with analgetic, antipyretic and antiphlogistic action are described.
Inventors
- 👤 Georg Rainer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:01
CPC Classifications
C; C07; C07D; C07D231/00; C07D231/02; C07D231/10
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
27 words
A compound of the formula ##SPC8## wherein Ph 1 ' denotes phenyl; Ph 2 ' denotes phenyl, halophenyl, p-(lower alkoxy)phenyl or p-(lower alkyl)phenyl; anad halogen denotes bromo.
Claim 2
Dependent Claim
27 words
A compound of the formula ##SPC8## wherein Ph 1 ' denotes phenyl; Ph 2 ' denotes phenyl, halophenyl, p-(lower alkoxy)phenyl or p-(lower alkyl)phenyl; anad halogen denotes bromo.
Claim 3
Dependent Claim
26 words
A compound of the formula ##SPC9## wherein Ph 1 ' denotes phenyl; Ph 2 ' denotes halophenyl, p-(lower alkoxy)phenyl or p-(lower alkyl)phenyl; and halogen denotes chloro.
Claim 4
Dependent Claim
26 words
A compound of the formula ##SPC9## wherein Ph 1 ' denotes phenyl; Ph 2 ' denotes halophenyl, p-(lower alkoxy)phenyl or p-(lower alkyl)phenyl; and halogen denotes chloro.
Claim 5
Dependent Claim
15 words
(Replacing claim 12) The compound according to claim 2 wherein Ph 2 ' is p-chlorophenyl.
References Cited (Backward Citations)
GB797144A
Cited
US3304303A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-08-10 | 1980-02-09 | 1980-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-08-10 | 1984-02-09 | 1984-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-08-10 | 1988-02-09 | 1988-08-10 | $7700.00 | Window Closed / Lapsed |