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:
May. 11, 1993
Filed:
May. 18, 1990
Applicant:
Inventors:
Hiroshi Kurihara, Kanagawa, JP;
Hiromi Watanabe, Kanagawa, JP;
Masao Koyama, Kanagawa, JP;
Masaji Sezaki, Kanagawa, JP;
Tsutomu Tsuruoka, Kanagawa, JP;
Harumi Fukuyasu, Kanagawa, JP;
Haruo Yamamoto, Kanagawa, JP;
Assignee:
Meiji Seika Kaisha Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07C / ;
U.S. Cl.
CPC ...
514525 ; 558302 ;
Abstract
A xanthocillin X monomethyl ether derivative represented by the formula (I) ##STR1## wherein R represents an alkyl group, an alkenyl group, an alkoxycarbonyl group, an aralkyl group, an alkyl group substituted with a pyridyl group or a halogen atom, an aralkyl group substituted with an alkyl group or a halogen atom, or an aroyl group, which exerts an intense effect of inhibiting the proliferation of a tumor, in particular, a solid tumor.