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:
Nov. 18, 2014
Filed:
Apr. 22, 2009
Mark R. Stouffer, Middletown, CT (US);
Eric C. Pemberton, Southington, CT (US);
Mark R. Stouffer, Middletown, CT (US);
Eric C. Pemberton, Southington, CT (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
A filter medium comprises: a) 55 to 80 percent by weight of activated carbon particles having a Dof 70 to 130 micrometers and a Dof 25 to 50 micrometers; b) 5 to 20 percent by weight of first catalytic activated carbon particles having a D50 in a range of 20 to 40 micrometers and a Dof 2 to 20 micrometers; and c) 10 to 30 percent by weight of a thermoplastic binder that binds at least the activated carbon particles and the catalytic activated carbon particles into a porous unitary body, wherein the percent by weight of components a)-c) is based upon a total weight of components a)-c). A water filtration system including the filter medium is also disclosed.