Xerox Corporation

Raymond Wan-Ning Wong

Peter Gordon Odell

C Geoffrey Allen

Adela Goredema

Christopher A Wagner

Mihaela Maria Birau

Caroline Melanie Turek

Frank Ping-Hay Lee

Sheau V Kao

Maxine E Haberl

An ink comprising an ink vehicle; pigment particles; and a dispersant; wherein the dispersant stabilizes the pigment particles; and wherein the dispersant is a compound of the formula or a mixture thereof, wherein R and R' are independently selected from alkyl, arylalkyl, or alkylaryl with from about 18 to about 60 carbon atoms and wherein m is an integer of from about 1 to about 30.

Pigmented phase change inks containing low molecular weight pigment dispersants

The presently disclosed embodiments are directed to processes for making phase change or solid ink used in ink jet system recording apparatuses (e.g., printer, copying machine, facsimile, word processor, plotter, and the like). More particularly, the embodiments pertain to the preparation of pigment or dye-based solid ink using a rotor-stator style, in-line homogenizer.

Processes for preparing phase change inks

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Mississauga, Canada

Raymond Wan-Ning Wong