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:
Jul. 14, 2026
Filed:
Feb. 04, 2022
Applicant:
Organo Corporation, Tokyo, JP;
Inventors:
Assignee:
ORGANO CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F 1/42 (2023.01); B01D 61/14 (2006.01); B01D 61/46 (2006.01); B01D 61/58 (2006.01); B01D 69/00 (2006.01); C02F 1/32 (2023.01); C02F 1/44 (2023.01); C02F 9/00 (2023.01); C02F 103/04 (2006.01);
U.S. Cl.
CPC ...
C02F 1/42 (2013.01); B01D 61/145 (2013.01); B01D 61/463 (2022.08); B01D 61/58 (2013.01); B01D 69/00 (2013.01); C02F 1/32 (2013.01); C02F 1/444 (2013.01); C02F 9/00 (2013.01); C02F 2001/422 (2013.01); C02F 2001/425 (2013.01); C02F 1/44 (2013.01); C02F 2103/04 (2013.01);
Abstract
An ultrapure water production system capable of producing ultrapure water from which fine particles have been highly removed and supplying the ultrapure water to a point of use is equipped with at least an ultrafiltration membrane device, and includes: a first organic porous ion exchanger provided at a position downstream of the ultrafiltration membrane device in an ultrapure water supply line for supplying the ultrapure water to the point of use; and a microfiltration membrane device provided, in the ultrapure water supply line, at a position downstream of the first organic porous ion exchanger.