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:
Jun. 09, 1992
Filed:
Aug. 09, 1991
Applicant:
Inventors:
Edgardo J Parsi, Lexington, MA (US);
Keith J Sims, Framingham, MA (US);
Irving D Elyanow, Somerville, MA (US);
Thomas A Prato, Cambridge, MA (US);
Assignee:
Ionics, Incorporated, Watertown, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C02F / ; C25B / ;
U.S. Cl.
CPC ...
2041824 ; 204301 ; 204151 ; 2041823 ;
Abstract
Apparatus and method for introducing ion-exchange and other particulates into certain compartments of an assembled electrodeionization stack comprising flowing a slurry of said particulates into the compartments while employing strainers for particulate retention so as to form a packed bed in the compartments; also apparatus and method for flowing said particulates out of said stack in the form of a slurry.