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:
Jul. 04, 1989
Filed:
Sep. 08, 1987
Applicant:
Inventors:
Kazuo Toyomoto, Yokohama, JP;
Eigo Terada, Kamakura, JP;
Hiroshi Kobayashi, Yokohama, JP;
Yoshiaki Kageura, Sagamihara, JP;
Assignee:
Asahi Kasei Kogyo Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
55 16 ; 55 29 ; 55158 ; 204296 ; 521 27 ;
Abstract
A permeable polymer membrane, formed of a fluorine type copolymer containing a repeating unit represented by the general formula: ##STR1## wherein m is 0 or 1 and n is an integer of the value of 2 to 5 and satisfying the relation between the water absorption ratio, W, and the ion-exchange capacity, Q, represented by the following formula:
Toyomoto, Kazuo. (1989). Permeable polymer membrane for dessication of gas (U.S. Patent No. 4844719). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4844719
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile