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. 17, 1992
Filed:
Nov. 30, 1990
Applicant:
Inventors:
Assignee:
Beiersdorf Aktiengesellschaft, Hamburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
514392 ; 5142268 ; 5142272 ; 5142288 ; 514256 ; 514275 ; 514365 ; 514370 ; 514374 ; 514377 ; 514385 ; 544 55 ; 544 96 ; 544331 ; 544332 ; 544333 ; 548146 ; 548190 ; 548193 ; 548215 ; 548233 ; 548234 ; 548300 ; 548316 ;
Abstract
Benzopyran derivatives of the general formula I ##STR1## wherein the substituents are as defined herein are provided. The compounds show vasodilating and vascular spasmolytic activity and are useful in treating hypertension.