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:
Mar. 03, 1987
Filed:
Mar. 21, 1985
Applicant:
Inventors:
Hans-Joachim Kabbe, Leverkusen, DE;
Arno Widdig, Odenthal, DE;
Ulrich Niewohner, Wermelskirchen, DE;
Andreas Knorr, Wuppertal, DE;
Bernward Garthoff, Hilden, DE;
Stanislav Kazda, Wuppertal, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
514456 ; 549401 ; 549345 ; 549332 ;
Abstract
Novel substituted 4-hydroxy-benzopyrans of the formula ##STR1## in which X is a single bond, ##STR2## and the other radicals can have various meanings, or pharmaceutically acceptable addition salts thereof, which are active on the circulation system.