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. 18, 2005
Filed:
Mar. 09, 2001
Takeshi Goto, Tsukuba, JP;
Kazuhisa Yoshitake, Tsukuba, JP;
Kazuteru Moriyama, Tsukuba, JP;
Shuichi Toriya, Suita, JP;
Tsutomu Yuasa, Osaka, JP;
Hideyuki Nishibayashi, Kobe, JP;
Takeshi Goto, Tsukuba, JP;
Kazuhisa Yoshitake, Tsukuba, JP;
Kazuteru Moriyama, Tsukuba, JP;
Shuichi Toriya, Suita, JP;
Tsutomu Yuasa, Osaka, JP;
Hideyuki Nishibayashi, Kobe, JP;
Hisamitsu Pharmaceutical Co., Inc., Saga, JP;
Abstract
An cross-linked anion exchange resin or a salt thereof obtained by reacting a polymer (A) having amino and/or imino groups in the total number of two or more per molecule with a compound (B) having two or more functional groups capable of reacting with amino and/or imino group contained in the polymer (A). The resin or salt has a water absorption ratio of 4.0 or lower.