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:
Aug. 06, 1985
Filed:
Nov. 15, 1982
Applicant:
Inventors:
Iwao Umezawa, Tokyo, JP;
Kanki Komiyama, Kanagawa, JP;
Assignee:
Kitasato Institute, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A01N / ; A61K / ; C12R / ; C12P / ;
U.S. Cl.
CPC ...
514 54 ; 424 88 ; 435101 ; 435946 ; 536-11 ;
Abstract
A new acidic polysaccharide is isolated from a culture of cells of the algae Chlorella pyrenoidosa. The process for producing this polysaccharide is also disclosed. This substance exhibits antitumor activity and antiviral activity and induces the production of interferon.