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:
Jul. 25, 1989
Filed:
Feb. 26, 1988
Applicant:
Inventors:
Saburo Ueno, Tokyo, JP;
Chikao Yoshikumi, Kunitachi, JP;
Yoshio Omura, Tanashi, JP;
Takayoshi Fujii, Tokyo, JP;
Toshihiko Wada, Tochigi, JP;
Eiichi Takahashi, Kawaguchi, JP;
Fumio Hirose, Tokyo, JP;
Assignee:
Kureha Kagaku Kogyo Kabushiki Kausha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C08B / ;
U.S. Cl.
CPC ...
514 54 ; 536-11 ; 536 551 ;
Abstract
Disclosed is nitrogen-containing polysaccharide substantially free of units having a molecular weight below about 5,000, said nitrogen-containing polysaccharide having been extracted from Coriolus versicolor (Fr.) Quel., substantially all polymer units having a molecular weight below about 5,000 having been removed therefrom, which exhibits antitumor and immunological activity.