Xerox Corporation

Caroline Melanie Turek

C Geoffrey Allen

Adela Goredema

Peter Gordon Odell

Gabriel Iftime

Marcel Philippe Breton

Raymond W Wong

Rina Carlini

Mihaela Maria Birau

Edward Graham Zwartz

Corey L Tracy

Guerino G Sacripante

Stephan V Drappel

Daryl Walter Vanbesien

Jennifer Lynne Belelie

Kentaro Morimitsu

Christopher A Wagner

James Daniel Mayo

Biby Esther Abraham

Naveen Chopra

Paul Farrell Smith

Karen Ann Moffat

Jeffrey H Banning

Sandra J Gardner

Paul J McConville

Peter Michael Kazmaier

Richard P N Veregin

David Joseph Gervasi

Hadi K Mahabadi

Michael Steven Hawkins

James R Larson

T Brian McAneney

Maria N V McDougall

Roger E Gaynor

Alan Richard Kuntz

Tyler B Norsten

Eniko Toma

Nathan Mark Bamsey

Salma Falah Toosi

Christine E Bedford

Carol A Jennings

Maria Birau

Karl W Dawson

Sheau V Kao

Subajinie Sathiyavanthan

Maxine E Haberl

Maxine Haberl

David Michael Thompson

Kathy Lynn De Jong

George A Riehle

Jennifer Rea

Gail Song

Mojgan Rabbani

Jason Leong

Gwynne Evelyn McAneney Lannen

Raymond Wan-Ning Wong

Everett Alan Ness

Nadia Edun

M Maria Birau

Maria Bírau

Geoffrey C Allen

Neha Kharbanda

Everett Ness

Gwynne E Mcaneney-Lannen

Nathan M Bamsey

An in situ process for preparing a phase change magnetic ink including heating a phase change ink composition to a first temperature sufficient to provide a melt composition; wherein the phase change ink composition comprises a carrier, an optional colorant, and an optional dispersant; placing the melt composition under inert atmosphere; heating the melt composition to a second temperature sufficient to effect decomposition of a metal carbonyl; adding the metal carbonyl to the melt composition under inert atmosphere at this second temperature to form metal nanoparticles thus forming in situ a phase change magnetic ink including the metal nanoparticles; optionally, filtering the phase change magnetic ink while in a liquid state; and cooling the phase change magnetic ink to a solid state.

Phase change magnetic ink and process for preparing same

Phase change ink comprising colorant and carrier comprising additive of formula wherein A, E, G, and J are &#x2014;H, &#x2014;Cl, &#x2014;Br, &#x2014;I, &#x2014;OH, &#x2014;COOH, amino, alkyl, aryl, arylalkyl, alkylaryl; Z is &#x2014;H, alkyl, aryl, arylalkyl, alkylaryl, &#x2014;(CHCHO)H, Na, K, &#x2014;P(X)(OR)(OR) wherein X is oxygen or sulfur, or &#x2014;C(&#x2550;O)R, and n is 0, 1, 2, or 3. Also, a process which comprises (1) incorporating into an ink jet printing apparatus a phase change ink as disclosed herein; (2) melting the ink; and (3) causing droplets of the melted ink to be ejected in an imagewise pattern onto a substrate.

Phase change inks

A solid ink composition suitable for ink jet printing, including printing on coated paper substrates. In embodiments, the solid ink composition comprises both a crystalline compound and an amorphous compound, and optionally, in combination, an organic pigment, which provides for a robust, rapid crystallization ink composition.

Rapidly crystallizing phase change inks and methods for forming the same

A phase change ink composition comprising an ink vehicle; an optional dispersant; and a modified naturally-derived colorant comprising a naturally-derived colorant that is modified with an aliphatic quaternary ammonium salt, an aromatic quaternary ammonium salt, or a mixture or combination thereof. The modified naturally-derived colorant is compatible with phase change ink vehicles.

Phase change ink comprising modified naturally-derived colorants

A phase change ink composition including an ink vehicle; an optional colorant; and ethylene vinyl acetate in an amount of from about 0.1 to about 10 percent by weight based on the total weight of the phase change ink composition.

Phase change ink containing ethylene vinyl acetate

Disclosed is a phase change ink comprising: (a) a crystalline trans-cinnamic diester; and (b) an amorphous oligomer of isosorbide and a diacid.

[object Object]

A solid or phase change inkjet ink incorporating a polar acidic wax is described. The use of polar waxes as an ink additive improves the polarity of the ink and adhesion of the ink to paper. A method for applying the solid or phase change ink incorporating an acidic polar wax additive to form an image is also described.

Solid or phase change inks with improved properties

Disclosed is a phase change ink comprising an ink carrier which comprises: (a) a crystalline trans-cinnamic diester; and (b) an amorphous polyterpene resin.

Phase change inks containing crystalline trans-cinnamic diesters and polyterpene resins

A phase change ink including an amorphous compound; a crystalline compound; an optional colorant; an optional synergist; an optional dispersant; and at least one polyhydroxyalkanoate compound of the formula wherein R is independently selected from the group consisting of a hydrogen atom, a hydrocarbon group, a heteroatom, and combinations thereof; wherein n represents the number of repeating units of from 1 to about 35,000; and wherein x represents an integer from 1 to about 5.

Phase change ink comprising a polyhydroxyalkanoate compound

A solid ink composition comprising at least one crystalline oxazoline compound and at least one amorphous component derived from a polyol, and a colorant and optional viscosity modifier, which are suitable for inkjet printing, including printing on coated paper substrates. In embodiments, the solid ink formulation comprises a blend of an amorphous and crystalline components which provides a solid ink with excellent robustness when forming images or printing on coated paper substrates.

Solid phase change ink compositions comprising oxazolines

A phase change ink composition including (a) an ink vehicle; (b) a dispersing agent; (c) a colorant; and (d) organic fiber shaped nanowhiskers, inorganic fiber shaped nanowhiskers, or a combination of organic and inorganic fiber shaped nanowhiskers, wherein the organic fiber shaped nanowhiskers, the inorganic fiber shaped nanowhiskers, or a combination thereof, are encapsulated or functionalized to enhance compatibility with the ink vehicle; and wherein the colorant and the organic fiber shaped nanowhiskers, the inorganic fiber shaped nanowhiskers, or combination of organic and inorganic fiber shaped nanowhiskers are substantially resistant to aggregation and settling in the ink vehicle.

Phase change ink compositions

A solid ink composition comprising an amorphous component, a crystalline material, and optionally, a colorant, which are suitable for ink jet printing, including printing on coated paper substrates. In embodiments, the solid ink formulation comprises a blend of an amorphous and crystalline components which provides a dye-based solid ink with excellent robustness when forming images or printing on coated paper substrates as well as excellent lightfastness.

Lightfast solid ink compositions

A phase change ink composition suitable for ink jet printing, including printing on coated paper substrates. In embodiments, the phase change ink composition comprises both a crystalline compound and an amorphous compound which are derived from bio-renewable materials. The composition provides for a robust, rapid crystallization ink composition.

Bio-renewable fast crystallizing phase change inks

A phase change ink comprising an amorphous compound; a crystalline compound; an optional dispersant; an optional synergist; an optional colorant; and an alcohol having a long alkyl chain containing from about 10 to about 80 carbon atoms.

Phase change inks comprising linear primary alcohols

A phase change ink composition including a pigment; a carrier; a dispersant; and a copper phthalocyanine synergist having a carboxylic acid group thereon.

Phase change inks containing novel synergist

Growing community of inventors

Hamilton, Canada

Caroline Melanie Turek