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. 08, 2001
Filed:
Jun. 23, 1999
Ichiro Terada, Yokohama, JP;
Hiroshi Toda, Ichihara, JP;
Junjiro Iwamoto, Yokohama, JP;
Kazuo Umemura, Yokohama, JP;
Ken Komatsu, Yokohama, JP;
Tohru Hoshi, Yokohama, JP;
Mark Philip Huehnergard, Guelph, CA;
David Florian Tessier, Guelph, CA;
Ian Glenn Towe, Guelph, CA;
Other;
Abstract
An apparatus for producing deionized water consisting essentially of an electrodialyzer having cation exchange membranes and anion exchange membranes alternately arranged between a cathode and an anode to form demineralizing compartments and concentrating compartments, and ion exchangers accommodated in the demineralizing compartments, wherein a pressure of from 0.1 to 20 kg/cm,is exerted between the ion exchangers accommodated in the demineralizing compartments and the cation exchange membranes and anion exchange membranes defining the demineralizing compartments.