Patent ID: 7935747

Claim:
A pigment preparation for dyeing polymers, consisting of: at least one pigment and a carrier, the carrier consisting of: a first component selected from the group consisting of ethylene-acrylic acid copolymer, ethylene-maleic anhydride copolymer, and polycaprolactone polymer; and a second component selected from the group consisting of ethylene-ethyl acrylate copolymer, ethylene-butyl acrylate copolymer, ethylene-methacrylic acid copolymer, Polypropylene grafted with polymethyl methacrylate copolymer, polypropylene with grafted polystyrene copolymer and block copolymers of styrene; wherein the pigment preparation is a chemical composition of between 50% and 90% of the pigment and between 10% and 50% of the carrier.