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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.:

US 12459843 B1

PDFFull Text
Date of Patent:
Nov. 04, 2025

Filed:

Dec. 30, 2019

Methods and compositions for treating industrial wastewater

Applicant:

Kemira Oyj, Helsinki, FI;

Inventors:

Xihui Yin, Marietta, GA (US);

Jean Robert Durand, Atlanta, GA (US);

Forrest Strickland, Atlanta, GA (US);

Anna Casasus, Atlanta, GA (US);

Assignee:

KEMIRA OYJ, Helsinki, FI;

Attorneys:

Robin L. Teskin

Baker, Donelson, Bearman, Caldwell & Berkowitz PC

Primary Examiner:

Youngsul Jeong

Int. Cl.
CPC ...
C02F 9/00 (2023.01); B01F 33/45 (2022.01); C02F 1/52 (2023.01); C02F 1/56 (2023.01); C02F 1/66 (2023.01); C02F 1/70 (2023.01); B01F 101/00 (2022.01); C02F 101/10 (2006.01);
U.S. Cl.
CPC ...
C02F 9/00 (2013.01); B01F 33/45 (2022.01); B01F 2101/305 (2022.01); C02F 1/5245 (2013.01); C02F 1/56 (2013.01); C02F 1/66 (2013.01); C02F 1/70 (2013.01); C02F 2101/106 (2013.01);
Abstract

The present embodiments generally relate to methods and compositions for the removal of selenium from a fluid in need of treatment, such as, for example, industrial wastewaters. The methods and compositions for the removal of selenium generally comprise the use of one or more coagulants, such as at least one iron-containing coagulant, and one or more reducing agents, such as at least one sodium sulfite-based reducing agent.

Find Patent Forward Citations

Yin, Xihui. (2025). Methods and compositions for treating industrial wastewater (U.S. Patent No. 12459843). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12459843

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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