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. 13, 2001
Filed:
Nov. 04, 1996
Applicant:
Inventors:
Mitsugu Abe, Hadano, JP;
Yoshiaki Noma, Tokuyama, JP;
Assignee:
Nomura Micro Science Co., Ltd., Kanagawa-Ken, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 6/100 ;
U.S. Cl.
CPC ...
B01D 6/100 ;
Abstract
A system for producing ultra-pure water having an electrodialysis unit,, which has a membrane selectively permeable to monovalent cations and a membrane selectively permeable to monovalent anions, and a reverse osmosis unit,which is connected after the electrodialysis unit,in series.