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. 29, 1995
Filed:
Jun. 07, 1994
Mitsuo Masaki, Chiba, JP;
Tomio Yamakawa, Kashiwa, JP;
Masaru Satoh, Koshigaya, JP;
Hiromitsu Takeda, Washimiya, JP;
Yasushi Yoshino, Narashino, JP;
Hitoshi Matsukura, Kasukabe, JP;
Nippon Chemiphar Co., Ltd., Tokyo, JP;
Abstract
A therapeutic agent for liver disease containing as an active ingredient a piperazine derivative having the formula: ##STR1## wherein, A represents a phenyl, p-benzoquinonyl or cumarinyl group which may have at least one substituent selected from the group consisting of halogen, alkyl, fluoroalkyl, formyl, alkoxycarbonyl, acyl, hydroxy, alkoxy, acyloxy, glycosyloxy, amino, alkylamino, mercapto, alkylthio and nitro; B represents a single bond or a straight chain alkylene group containing 1-4 carbon atoms which may have at least one substituent selected from the group consisting of alkyl, aryl, aralkyl, hydroxy and oxo; R represents an atom or a group selected from the group consisting of hydrogen, alkali metal, alkaline earth metal, alkyl, cycloalkyl, aralkyl and aryl; and n is 2 or 8, or its pharmaceutically acceptable salt is diclosed.