The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 28, 1990
Filed:
Jul. 06, 1989
Applicant:
Inventor:
Luisa Saccarello, Milan, IT;
Assignee:
Seuref A.G., Vaduz, LI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
548378 ;
Abstract
(1,4-Diaryl-purazol-3-yl)-acetic acids of the formula ##STR1## wherein Ar and Ar', which can be the same or different, represents a phenyl group optionally substituted with 1 or 3 halogen atoms, C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy groups, are prepared by reacting .beta.-styryl amines with compounds of formula ClCO-CH.sub.2 -A (wherein A represents a CN, COOR or CONR.sup.1 R.sup.2 group, R being an alkyl, benzyl or benzohydryl group and R.sup.1 and R.sup.2 being H or an alkyl, benzyl or benzohydryl group).