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:
Apr. 04, 1989
Filed:
Sep. 11, 1987
Applicant:
Inventors:
Assignee:
Daiken Trade & Industry Co., Ltd., Toyama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ; D32B / ;
U.S. Cl.
CPC ...
4283044 ; 4283073 ; 4283155 ; 4283166 ; 428701 ;
Abstract
A hygroscopic composite material comprising a humidity absorbing body having hygroscopic fillers in its basic material and a porous body having many micropores. This hygroscopic composite material retains its hygroscopicity for a long period of time by enhancing its humidity absorbing function by generating free water in the porous body and by discharging the free water.