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:
Jun. 30, 1987
Filed:
Dec. 26, 1985
Applicant:
Inventors:
Susumu Nakagawa, Okazaki, JP;
Ryosuke Ushijima, Okazaki, JP;
Fumio Nakano, Okazaki, JP;
Koji Yamada, Okazaki, JP;
Eiichi Mano, Kariya, JP;
Assignee:
Banyu Pharmaceutical Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
514202 ; 540222 ;
Abstract
A compound having the formula: ##STR1## wherein R.sup.1 is a straight chain, branched chain or cyclic lower alkyl group which may be substituted by a carboxyl group, and each of R.sup.2 and R.sup.3 which may be the same or different, is a hydrogen atom, a hydroxyl group, a methoxy group or an acetoxy group, and R.sup.4 is a hydroxyl group, a methoxy group or an acetoxy group; or a pharmaceutically acceptable salt, physiologically hydrolyzable ester or solvate thereof.