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:
Dec. 30, 1980
Filed:
Jun. 18, 1979
Applicant:
Inventors:
Yutaka Sugawara, Omiya, JP;
Akihiro Yamamoto, Higashiyamato, JP;
Mitsuaki Handa, Kamifukuoka, JP;
Hiroko Usami, Tokyo, JP;
Haruki Ogawa, Chofu, JP;
Assignee:
Chugai Seiyaku Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
424116 ; 435 68 ; 435 72 ; 435101 ; 435168 ; 435169 ; 435267 ; 435272 ; 435885 ;
Abstract
An anti-tumor substance which is not only heatstable but also has low inflaming and pain-inducing properties and low pyrogenic activity is disclosed. The substance is prepared by disrupting cells of bacteria belonging to hemolytic streptococci, extracting from the disrupted material a water-insoluble substance and treating the substance with one or more proteases and, optionally, with one or more nucleases.