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:
Oct. 13, 1987
Filed:
Aug. 06, 1986
Applicant:
Inventors:
James Gainer, Salford, GB;
Richard Goschke, Bottmingen, CH;
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
514234 ; 514237 ; 514238 ; 514240 ; 544114 ;
Abstract
The present invention relates to novel 6-phenyl-5-alkyl substituted-4,5-dihydro-3(2H)-pyridazinones of formula I: ##STR1## in which R.sub.1 is halogen, lower alkyl, lower alkoxy, NO.sub.2, NH.sub.2, NHCOR.sub.3 (R.sub.3 is H or C.sub.1 -C.sub.4 alkyl), CN, carboxy, lower alkoxycarbonyl, carbamoyl, CF.sub.3, or OH and R.sub.2 is C.sub.1 -C.sub.4 alkyl; the tautomeric forms and salts thereof; as their racemic mixtures or as the individual optically-active forms. Compounds (I) are useful in pharmaceutical preparations having improved antithrombotic activity.