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. 30, 1977
Filed:
Feb. 26, 1975
Applicant:
Inventors:
Assignee:
Nippon Shinyaku Company, Limited, Kyoto, JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ; A61L / ;
U.S. Cl.
CPC ...
424132 ; 210501 ; 210 32 ; 210502 ; 55 59 ;
Abstract
The known sterilization and purification properties of activated carbon which is impregnated with silver are restored by treating spent silver impregnated activated carbon with steam.