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1. (WO2015126394) LIQUID ELECTROPHOTOGRAPHIC INKS

Pub. No.:    WO/2015/126394    International Application No.:    PCT/US2014/017296
Publication Date: Fri Aug 28 01:59:59 CEST 2015 International Filing Date: Fri Feb 21 00:59:59 CET 2014
IPC: C09D 11/03
C09D 11/037
Applicants: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Inventors: NG, Hou T.
TOM, Howard S.
TEISHEV, Albert
Title: LIQUID ELECTROPHOTOGRAPHIC INKS
Abstract:
A method of manufacturing a liquid electrophotographic ink concentrate includes: milling a mixture comprising ink pigments and polyamine-based dispersants in the presence of milling media to produce nano-scale ink pigments having an average particle size of less than 100 nanometers; and attaching at least one nano-scale ink pigment near surfaces of a base resin particle to form a pigment-resin composition.