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:
Sep. 20, 2016

Filed:

Dec. 13, 2012
Applicant:

3m Innovative Properties Company, St. Paul, MN (US);

Inventors:

Mark R. Stouffer, Middletown, CT (US);

Meredith McMurdo Doyle, St. Paul, MN (US);

Allen R. Siedle, Bloomington, IN (US);

Thomas E. Wood, Stillwater, MN (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 15/00 (2006.01); B01J 20/02 (2006.01); B01J 20/20 (2006.01); B01J 20/28 (2006.01); B01J 20/30 (2006.01); B01J 20/32 (2006.01); C02F 1/28 (2006.01);
U.S. Cl.
CPC ...
B01D 15/00 (2013.01); B01J 20/0222 (2013.01); B01J 20/0229 (2013.01); B01J 20/0233 (2013.01); B01J 20/0237 (2013.01); B01J 20/0281 (2013.01); B01J 20/0285 (2013.01); B01J 20/0288 (2013.01); B01J 20/0292 (2013.01); B01J 20/0296 (2013.01); B01J 20/20 (2013.01); B01J 20/2803 (2013.01); B01J 20/3078 (2013.01); B01J 20/3204 (2013.01); B01J 20/3236 (2013.01); C02F 1/288 (2013.01); C02F 1/281 (2013.01); C02F 1/283 (2013.01); C02F 2303/185 (2013.01);
Abstract

Described herein is a liquid filtration device is disclosed comprising a fluid conduit fluidly connecting a fluid inlet to a fluid outlet; and a water filtration medium disposed in the fluid conduit; the water filter medium comprising a metal-containing particulate, wherein the metal-containing particulate comprises a thermolysis product of a metal salt wherein the salt is selected from nitrogen-containing oxyanions, sulfur-containing anions, chlorides, phosphates, and combinations thereof; and methods of removing chloramines from aqueous solutions.


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