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. 11, 1989
Applicant:
Inventors:
James Redpath, Bishopbriggs, GB;
Robert T Logan, Lanark, GB;
Robert G Roy, Larkhall, GB;
George McGarry, Airdrie, GB;
Assignee:
Akzo, N.V., Arnhem, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
514254 ; 5142335 ; 544146 ; 544238 ; 544153 ;
Abstract
The invention relates to pyridazinone compounds of the general formula I: ##STR1## wherein R.sup.1 represents one to four substituents, which may be the same or different and are selected from H, OH, halogen, NO.sub.2, unsubstituted or C1-C4 alkyl substituted amino, C1-C4 alkyl, C1-C4 halogen substituted alkyl, O--ALK--NR.sup.4 R.sup.5, C1-C4 alkoxy, whereby two substituents taken together may also represent a methylenedioxy group;