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. 11, 1987
Filed:
Feb. 07, 1986
Applicant:
Inventors:
Gerhard Walther, Bingen, DE;
Claus Schneider, Ingelheim am Rhein, DE;
Karl-Heinz Weber, Gau-Algesheim, DE;
Armin Fugner, Gau-Algesheim, DE;
Assignee:
Boehringer Ingelheim KG, Ingelheim am Rhein, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
514220 ; 540498 ; 540562 ; 548337 ; 548343 ;
Abstract
Compounds of the formula ##STR1## wherein R.sub.1 and R.sub.2, which may be identical to or different from each other, are each hydrogen, fluorine, chlorine, bromine, trifluoromethyl, hydroxyl, nitro, amino, cyano, methylsulfonamido, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 3 carbon atoms, (alkyl of 1 to 3 carbon atoms)thio or (alkanoyl of 2 to 4 carbon atoms)amino;