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:
Dec. 08, 1992
Filed:
Jan. 24, 1991
Tameo Iwasaki, Nishinomiya, JP;
Masaki Sugiura, Kawanishi, JP;
Yuzo Matsuoka, Toyonaka, JP;
Mamoru Matsumoto, Nara, JP;
Kazuyuki Kitamura, Urawa, JP;
Tanabe Seiyaku Co., Ltd., Osaka, JP;
Abstract
A novel biphenyl derivative of the formula: ##STR1## wherein Ring A is a substituted or unsubstituted sulfur-containing or oxygen-containing heteromonocyclic ring; Ring B is a ring of the formula: ##STR2## each of R.sup.1 to R.sup.3 is hydrogen atom, a halogen atom or a lower alkoxy group, or R.sup.1 is hydrogen atom, and R.sup.2 and R.sup.3 are combined together to form a lower alkylenedioxy group; R.sup.4 is a lower alkyl group which may have a substituent selected from a lower alkoxy group and a lower alkoxycarbonyl group; Y is methylene group or carbonyl group, and a pharmaceutically acceptable salt thereof are disclosed. Said derivative and a pharmaceutically acceptable salt thereof are useful as a therapeutic or prophylactic agent for hepatic diseases.