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1. (WO2011159371) PRE-TREATMENT COMPOSITION

Pub. No.:    WO/2011/159371    International Application No.:    PCT/US2011/025802
Publication Date: Dec 22, 2011 International Filing Date: Feb 23, 2011
IPC: B41M 5/50
B41M 5/00
Applicants: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
SARKISIAN, George
EMAMJOMEH, Ali
VISNYAK, Elizabeth Ann
Inventors: SARKISIAN, George
EMAMJOMEH, Ali
VISNYAK, Elizabeth Ann
Title: PRE-TREATMENT COMPOSITION
Abstract:
Pre-treatment composition and printing method for printing durable images using such pre-treatment composition are disclosed. A disclosed example of the pre-treatment composition includes a liquid vehicle, a polyvalent metal salt, a latex resin and thickener. Moreover, a printing method is also disclosed with an ink composition comprising of an aqueous liquid vehicle and a colorant after pre-treatment with said pre-treatment composition.