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:
Jan. 29, 1991
Filed:
May. 17, 1989
Applicant:
Inventors:
Youichi Shiokawa, Ibaraki, JP;
Koichi Takimoto, Takarazuka, JP;
Kohei Takenaka, Sakai, JP;
Takeshi Kato, Ikeda, JP;
Assignee:
Fujisawa Pharmaceutical Co., Ltd., Osaka, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
514392 ; 514183 ; 514210 ; 514218 ; 5142272 ; 5142288 ; 514370 ; 514377 ; 514456 ; 540202 ; 540467 ; 540470 ; 540544 ; 540553 ; 544 55 ; 544 96 ; 544332 ; 548193 ; 548233 ; 548234 ; 548316 ; 549399 ; 549404 ; 549419 ;
Abstract
Benzopyran derivatives of formula (I) wherein the substituents are as defined herein are provided. The compounds possess vasodilating activity and are useful in the treatment of hypertension. Pharmaceutical compositions and methods of treating hypertension are also provided.