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. 02, 2022
Filed:
Feb. 28, 2018
Applicant:
Kurita Water Industries Ltd., Tokyo, JP;
Inventor:
Kazuki Ishii, Tokyo, JP;
Assignee:
KURITA WATER INDUSTRIES LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 65/06 (2006.01); B01D 61/02 (2006.01); B01D 71/56 (2006.01); C02F 1/44 (2006.01);
U.S. Cl.
CPC ...
B01D 65/06 (2013.01); B01D 61/025 (2013.01); B01D 71/56 (2013.01); C02F 1/441 (2013.01);
Abstract
A solution-type water treatment chemical, includes, as one, gluconic acid (salt) and a surfactant having an HLB determined by the following equation (1) satisfying the following equation (2), wherein in a relationship between concentrations of the gluconic acid (salt) and the surfactant and a molecular weight and HLB of the surfactant, the gluconic acid (salt) and the surfactant are contained such that the water treatment chemical does not form a gel or precipitate.=(Σinorganic value/Σorganic value)×10  (1)Molecular weight>−34.4×+1005  (2)