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. 24, 1993
Filed:
Dec. 04, 1991
Applicant:
Inventors:
Rolf Gericke, Seeheim, DE;
Manfred Baumgarth, Darmstadt, DE;
Ingeborg Lues, Darmstadt, DE;
Jurgen Harting, Darmstadt, DE;
Rolf Bergmann, Reichelsheim, DE;
Assignee:
Merck Patent Gesellschaft, Darmstadt, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
514253 ; 514252 ; 514255 ; 514256 ; 514269 ; 544230 ; 544238 ; 544298 ; 544318 ; 544319 ; 544322 ; 544336 ; 546269 ;
Abstract
The invention relates to novel chroman derivatives of the formula I ##STR1## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7, R.sup.8 and R.sup.9 have the meanings given in [Patent claim 1], and which, like their salts, show effects on the cardiovascular system and can be used for the treatment or prophylaxis of cardiac insufficiency, angina pectoris, high blood pressure, incontinence and alopecia.