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:
Mar. 16, 1982
Filed:
Aug. 18, 1980
Applicant:
Inventors:
Hiroshi Mitsuhashi, Sapporo, JP;
Den-ichi Mizuno, Kamakura, JP;
Koji Hayashi, Sapporo, JP;
Shigeru Abe, Tokyo, JP;
Muneaki Takase, Oizumimachi, JP;
Toshiharu Narita, Higashimurayama, JP;
Assignee:
Zenyaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ;
U.S. Cl.
CPC ...
424182 ; 424195 ;
Abstract
New extracts of Marsdenia cundurango Reichenbach fil., processes for preparing them, antitumor agents comprising them, compositions containing them and methods of treating tumor with them are described herein in which the extracts consist essentially of the portion of Marsdenia cundurango Reichenbach fil. which is soluble in lower alcohols and in chlorinated hydrocarbons other than carbon tetrachloride and insoluble in carbon tetrachloride or aromatic hydrocarbons.