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:
Feb. 18, 1986
Filed:
Oct. 20, 1983
Isao Yamatsu, Kawaguchi, JP;
Yuichi Inai, Tokyo, JP;
Shinya Abe, Nakamura, JP;
Hideaki Watanabe, Aichi, JP;
Toshiji Igarashi, Tokorozawa, JP;
Hiroyuki Shiojiri, Sayama, JP;
Yoshio Tanabe, Saitama, JP;
Kuniko Hara, Tokyo, JP;
Eisai Co., Ltd., Tokyo, JP;
Abstract
An .alpha.,.beta.-dihydropolyprenyl derivative having the formula (I): ##STR1## wherein X represents a group of --COOR.sub.1 or --CH.sub.2 OR.sub.2 in which R.sub.1 is the hydrogen atom or an alkyl group having one to four carbon atoms and R.sub.2 is the hydrogen atom or an aliphatic acyl group having one to four carbon atoms; and n is an integer of one to four. A process for the preparation of the .alpha.,.beta.-dihydropolyprenyl derivative and a therapeutic agent for treatment of liver diseases comprising the same are also disclosed.