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.

Date of Patent:
Aug. 26, 2025

Filed:

Feb. 25, 2020
Applicant:

Kurita Water Industries Ltd., Tokyo, JP;

Inventors:

Masahito Tochinai, Tokyo, JP;

Yoichi Miyazaki, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F 1/08 (2023.01); C02F 1/00 (2023.01); C02F 1/42 (2023.01); G01N 15/08 (2006.01);
U.S. Cl.
CPC ...
C02F 1/008 (2013.01); C02F 1/42 (2013.01); G01N 15/0826 (2013.01); C02F 2209/001 (2013.01); C02F 2209/44 (2013.01);
Abstract

Provided is a method for predicting particulate breakthrough time for a non-regenerative ion exchange resin device, in which a portion of water to be treated by a non-regenerative ion exchange resin device passes through each of the following that are disposed in parallel with the non-regenerative ion exchange resin device: a first path that includes a first particle counter; a second path that includes a first compact resin column, a second particle counter, a flow rate regulating valve, and a first flow meter; and a third path that includes a second compact resin column, a third particle counter, a flow rate regulating valve, and a second flow meter.


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