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:
May. 14, 2002
Filed:
Feb. 14, 2000
Applicant:
Inventor:
Ryosuke Nishida, Okayama-ken, JP;
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
C08J 9/28 ;
U.S. Cl.
CPC ...
C08J 9/28 ;
Abstract
There is disclosed a porous moisture-absorbing and desorbing polymer, characterized in that, said polymer is an organic polymer containing 2.0-12.0 meq/g of carboxyl groups of a salt type, having a cross-linking structure and having macropores of not less than 1 m /g of specific surface area and 0.005-1.0 &mgr;m of average pore size.