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:
May. 30, 2017
Filed:
Dec. 18, 2012
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventors:
Allen R. Siedle, Bloomington, IN (US);
Meredith McMurdo Doyle, St. Paul, MN (US);
Mark R. Stouffer, Middletown, CT (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F 1/28 (2006.01); C02F 101/12 (2006.01); C02F 101/16 (2006.01);
U.S. Cl.
CPC ...
C02F 1/288 (2013.01); C02F 1/281 (2013.01); C02F 1/283 (2013.01); C02F 2101/12 (2013.01); C02F 2101/16 (2013.01); C02F 2303/185 (2013.01); C02F 2305/00 (2013.01);
Abstract
Described herein is a liquid filtration device is disclosed a vessel for treating an aqueous liquid, wherein the vessel contains a filtration medium and wherein the filtration medium comprises a metal sulfide, wherein the sulfur in the form of a metal sulfide is at least 0.5% by weight of the filtration media.