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:
Nov. 30, 2004
Filed:
Oct. 27, 2003
Applicant:
Inventors:
Li-Shiang Liang, Harvard, MA (US);
Anil Jha, Lincoln, MA (US);
John Arba, Bradford, MA (US);
Stephane Dupont, Elancourt, FR;
Assignee:
USFilter Corporation, Warrendale, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 6/152 ;
U.S. Cl.
CPC ...
B01D 6/152 ;
Abstract
An electrodeionization apparatus and method for purifying a fluid. A fluid, such as water, can be purified by removing weakly ionizable species from the fluid. Weakly ionizable species may be dissociated at different pH levels to facilitate removal from the fluid in an electrodeionization device.