Patent ID: 9247736
Filing Date: 2016-02-02
CPC Classification: A01N,B32B,C08F,C08J,C09J

Claim Text:
1. A multi-layer film for reducing microbial contamination on a surface, the multi-layer film comprising: a thermoplastic core layer having a first surface and a second surface opposite the first surface; an adhesive layer disposed adjacent the first surface of the core layer; and an antimicrobial hardcoat layer disposed adjacent the second surface, the antimicrobial hardcoat layer comprising an antimicrobial agent chemically bound to a cross-linked matrix, and inorganic particles chemically bound to the cross-linked matrix, wherein the cross-linked matrix is derived from a polymerizable precursor comprising a material selected from the group consisting of a polymerizable monomer, a polymerizable polymer having a molecular weight of about 1,000 or less, and combinations thereof; from about 5 wt % to about 20 wt % of a reactive antimicrobial agent; and reactive inorganic particles, wherein the reactive antimicrobial agent includes at least one of a dimethylalkylammoniumethylacrylate halide and a dimethylalkylammoniumethylmethacrylate halide, wherein the alkyl group has from 14 to 16 carbons.