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:
Jan. 30, 2018
Filed:
Feb. 24, 2014
Applicant:
Kureha Corporation, Tokyo, JP;
Inventors:
Takashi Wakahoi, Tokyo, JP;
Takahiro Akita, Tokyo, JP;
Naohiro Sonobe, Tokyo, JP;
Mieko Kuwahara, Tokyo, JP;
Assignee:
KUREHA CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 33/44 (2006.01); A61K 9/14 (2006.01); B01J 20/20 (2006.01); B01J 20/02 (2006.01); B01J 20/28 (2006.01);
U.S. Cl.
CPC ...
A61K 33/44 (2013.01); A61K 9/14 (2013.01); B01J 20/02 (2013.01); B01J 20/20 (2013.01); B01J 20/28016 (2013.01); B01J 20/28064 (2013.01); B01J 20/28066 (2013.01);
Abstract
An object of the present invention is to provide spherical activated carbon exhibiting excellent adsorption ability for uremic substances in the body, and particularly for -aminoisobutyric acid. Accordingly, provided is an orally administered adsorbent comprising spherical activated carbon containing not less than 0.5 wt % of nitrogen atoms, having a specific surface area determined by the Brunauer-Emmett-Teller (BET) method of 700 m/g to 3000 m, and having an average particle size from 0.01 to 1 mm.