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:
Apr. 18, 1989
Filed:
May. 08, 1987
Applicant:
Inventor:
Yasushi Nishimura, Tokyo, JP;
Assignee:
Kureha Kagaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B / ; C01B / ; B01J / ; A61K / ;
U.S. Cl.
CPC ...
502418 ; 423460 ; 423461 ; 424125 ; 502416 ;
Abstract
Activated carbon, useful in a pharmaceutical composition for adsorbing exogenous or endogenous toxins from the gastrointestinal tract of a patient can be prepared by a process including a step of treating activated carbon with an aqueous ammonia solution to provide a resultant activated carbon having a pH of 6 to 8.