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:
Nov. 02, 1982
Filed:
Aug. 01, 1980
Applicant:
Inventors:
Eichi Soma, Tokyo, JP;
Kohei Kobayashi, Tokyo, JP;
Takuro Karakawa, Tokyo, JP;
Shigeyoshi Kato, Tokyo, JP;
Kiichi Uchida, Fujisawa, JP;
Assignees:
Sapporo Breweries Limited, Tokyo, JP;
Etsuo Ito, Urasoe, JP;
Daicel Chemical Industries, Ltd., Sakai, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08B / ; A61K / ;
U.S. Cl.
CPC ...
424180 ; 424177 ; 2601 / ; 2601 / ; 536-1 ; 536 18 ; 536 551 ;
Abstract
A polysaccharide RBS substance having the ultraviolet absorption spectrum depicted in FIG. 1 and the infrared absorption spectrum depicited in FIG. 2 is obtained from rice bran by extraction with hot water. These substances have been tested for anti-tumor activity against Sarcoma 180 ascites tumor and against Ehrlich ascites tumor and were determined to have anti-tumor activity against these tested tumors.