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:
Jul. 19, 1983
Filed:
Jun. 09, 1981
Applicant:
Inventors:
Masami Shiratsuchi, Musashimurayama, JP;
Noboru Shimizu, Higashimurayama, JP;
Hiromichi Shigyo, Fuchu, JP;
Yoshinori Kyotani, Higashiyamato, JP;
Hisashi Kunieda, Higashimurayama, JP;
Kiyoshi Kawamura, Tokorozawa, JP;
Seiichi Sato, Higashimurayama, JP;
Toshihiro Akashi, Higashimurayama, JP;
Masahiko Nagakura, Sayama, JP;
Naotoshi Sawada, Kawasaki, JP;
Yasumi Uchida, Ichikawa, JP;
Assignee:
Kowa Company, Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
424283 ; 549399 ; 549400 ; 549401 ; 549402 ; 549404 ; 549405 ; 549407 ; 549408 ; 549409 ; 549410 ;
Abstract
A benzopyran compound represented by the following ##STR1## wherein A represents a direct bond or the bond --CH.sub.2 --O--,