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. 14, 2004
Filed:
Oct. 10, 2002
Applicant:
Inventors:
Naohiro Sonobe, Fukushima, JP;
Michihito Ise, Tokyo, JP;
Susumu Morimoto, Tokyo, JP;
Hideyuki Yamato, Tokyo, JP;
Satoshi Mitsuhashi, Saitama, JP;
Haruhisa Hayashi, Tokyo, JP;
Assignee:
Kureha Chemical Industry Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 9/00 ;
U.S. Cl.
CPC ...
A61K 9/00 ;
Abstract
An adsorbent for an oral administration, comprising a porous spherical carbonaceous substance wherein a diameter is 0.01 to 1 mm, a specific surface area determined by a BET method is 700 m /g or more, a volume of pores having a pore diameter of 20 to 15000 nm is from not less than 0.04 mL/g to less than 0.10 mL/g, a total amount of acidic groups is 0.30 to 1.20 meq/g, and a total amount of basic groups is 0.20 to 1.00 meq/g, is disclosed.