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:
Aug. 07, 2018
Filed:
Oct. 29, 2014
Dow Global Technologies Llc, Midland, MI (US);
Jia Ning, Shanghai, CN;
Steven D. Jons, Eden Prairie, MN (US);
Michael S. Koreltz, Bloomington, MN (US);
Dow Global Technologies LLC, Midland, MI (US);
Abstract
A water treatment assembly () and method for its operation, comprising a spiral wound hyperfiltration membrane module () connected to: i) a feed line () adapted for connection to a source of pressurized feed water, ii) a permeate line () adapted for connection to a dispenser of treated water and iii) a concentrate line () adapted for connection with a drain; wherein the assembly includes a pressurizable reservoir () containing weak acid cation exchange resin () and further includes at least one valve for selectively diverting flow of pressurized feed water along the feed line (), through the reservoir () and returning to the feed line () prior to passing through the hyperfiltration membrane module ().