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:
Feb. 18, 2014
Filed:
Sep. 16, 2010
Applicants:
Kenjiro Mori, Osaka, JP;
Tatsuya Konishi, Osaka, JP;
Eri Maeta, Osaka, JP;
Inventors:
Assignee:
Nitto Denko Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 8/12 (2006.01); C08F 212/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a porous resin bead containing a first aromatic monovinyl compound-divinyl compound-(meth)acrylonitrile-second aromatic monovinyl compound copolymer, in which the second aromatic monovinyl compound contains a group capable of binding with a carboxyl group by dehydration condensation reaction, and in which the porous resin bead has a dry volume of from 2 to 3 ml/g.