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:
Oct. 23, 1979
Filed:
Oct. 27, 1977
Applicant:
Inventors:
Takashi Okonogi, Tokyo, JP;
Zenpachiro Hattori, Tokyo, JP;
Akira Ogiso, Tokyo, JP;
Seiji Mitsui, Tokyo, JP;
Assignee:
Sankyo Company Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; A61K / ;
U.S. Cl.
CPC ...
424 92 ; 424 88 ; 424 89 ; 435245 ; 435885 ; 435822 ; 435842 ; 435844 ;
Abstract
A method for the inactivation of microbial toxins and attenuation of vaccines by treating the toxin or vaccine with a tannin, especially a condensed tannin derived from fruit of the genus Diospyros, particularly the persimmon, without loss of the desired antigenicity.