Patent ID: 6439713
Filing Date: 2002-08-27
Classification: B41J,B41M,C09D

Abstract:
A process for forming an image on a printing medium, comprising the steps of:(a) applying a powder composition comprising a polymer powder having a recurring unit containing at least one carboxyl group, the carboxyl groups of part of the recurring units being in the form of a salt with an aliphatic amine having at least 6 carbon atoms over a surface of a transfer medium to form a layer of said polymer powder; (b) forming an image of a liquid ink over said layer of said polymer powder, said polymer powder being soluble or swellable in said liquid ink so that the viscosity of said liquid ink increases when contacted with said polymer powder; and (c) contacting said image on said transfer medium with said printing medium so that said image is transferred to said printing medium.