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:
Nov. 10, 1981
Filed:
Jul. 08, 1980
Applicant:
Inventors:
Volkhard Austel, Biberach, DE;
Eberhard Kutter, Biberach, DE;
Joachim Heider, Warthausen, DE;
Willi Diederen, Biberach, DE;
Assignee:
Boehringer Ingelheim Gesellschaft mit beschrankter Haftung, Ingelheim am Rhein, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
424253 ; 544264 ;
Abstract
This invention is directed to 8-phenyl-purines of general formula ##STR1## wherein R.sub.1 is a hydrogen or halogen atom; an alkoxy group optionally substituted by alkylmercapto, alkylsulfinyl or alkylsulfonyl group; or an alkylmercapto, alkylsulfinyl or alkylsulfonyl group, whereby each alkyl moiety may contain from 1 to 3 carbon atoms, and