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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 11066313 B1

PDFFull Text
Date of Patent:
Jul. 20, 2021

Filed:

Feb. 03, 2020

Methods for removing anions from water

Applicant:

Chemtreat, Inc., Glen Allen, VA (US);

Inventors:

Vladimir Djukanovic, Glen Allen, VA (US);

Nicholas Seymour, Williamsburg, VA (US);

William Henderson, Ashland, VA (US);

Oleh Weres, Reno, NV (US);

Assignee:

CHEMTREAT, INC., Glen Allen, VA (US);

Attorney:

Oliff PLC

Primary Examiner:

Clare M Perrin

Int. Cl.
CPC ...
C02F 1/52 (2006.01); C02F 1/28 (2006.01); B01J 20/02 (2006.01); C02F 1/62 (2006.01); C02F 1/66 (2006.01); C02F 1/68 (2006.01); B01J 8/00 (2006.01); B01D 15/00 (2006.01); C01G 3/00 (2006.01); C01G 9/00 (2006.01); C01G 13/00 (2006.01); C01G 19/00 (2006.01); C01G 49/00 (2006.01); C02F 101/10 (2006.01); C02F 103/10 (2006.01); C02F 103/36 (2006.01);
U.S. Cl.
CPC ...
C02F 1/5245 (2013.01); B01J 20/0229 (2013.01); B01J 20/0248 (2013.01); B01J 20/0251 (2013.01); C02F 1/281 (2013.01); C02F 1/62 (2013.01); C02F 1/66 (2013.01); B01D 15/00 (2013.01); B01J 8/00 (2013.01); C01G 3/00 (2013.01); C01G 9/00 (2013.01); C01G 13/00 (2013.01); C01G 19/00 (2013.01); C01G 49/00 (2013.01); C02F 1/68 (2013.01); C02F 2101/101 (2013.01); C02F 2101/106 (2013.01); C02F 2103/10 (2013.01); C02F 2103/365 (2013.01); C02F 2301/08 (2013.01);
Abstract

Methods are disclosed for treating water containing a target anion to remove the target anion. The methods can include preparing a treatment composition solution that contains a metal treatment agent, adjusting the treatment composition solution to a first pH that is alkaline and then to a second pH that is acidic, and contacting the treatment composition solution with the water that contains the target anion.

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Djukanovic, Vladimir. (2021). Methods for removing anions from water (U.S. Patent No. 11066313). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11066313

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

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