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:
Sep. 22, 1992
Filed:
Jan. 29, 1990
Applicant:
Inventors:
Nobutoshi Yamada, Kusatsu, JP;
Hideo Sugi, Kusatsu, JP;
Sadanori Mizukoshi, Kusatsu, JP;
Kenji Kon, Kusatsu, JP;
Taiji Katayama, Kusatsu, JP;
Assignee:
Ishihara Sangyo Kaisha, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07H / ; C07H / ; A61K / ;
U.S. Cl.
CPC ...
536 168 ; 536 181 ; 536 172 ; 536-41 ;
Abstract
Exo-3',4'-O-benzylidene-3'-dimethylchartreusin (exo-BDMC) or its salts and 3'-demethylchartreusin (3'-DMC) or its salts are provided according to the present invention. Exo-BDMC and its salts are useful for antitumorous agents and antibacterial agents. 3'-DMC and its salts are useful as starting materials for producing exo-BDMC.