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:
Feb. 18, 1992
Filed:
Nov. 15, 1990
Applicant:
Inventors:
Shigeaki Muto, Tokyo, JP;
Koichi Niimura, Sayama, JP;
Minoru Oohara, Tokyo, JP;
Yoshiharu Oguchi, Tokyo, JP;
Kenichi Matsunaga, Tokorozawa, JP;
Kunitaka Hirose, Tokyo, JP;
Junji Kakuchi, Tokyo, JP;
Norifumi Sugita, Tokyo, JP;
Takao Furusho, Tokyo, JP;
Chikao Yoshikumi, Tokyo, JP;
Masaaki Takahashi, Tokyo, JP;
Assignee:
Kureha Kagaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C08B / ;
U.S. Cl.
CPC ...
514 54 ; 536-11 ; 536123 ; 424 88 ; 424 92 ; 514885 ;
Abstract
Disclosed herein are polysaccharides extracted from marine algae and an antiviral drug containing as active ingredient polysaccharides extracted from seaweeds.