1
Mohammad Esteghamatian, Dasarao K Murti, C Geoffrey Allen, Ah Mee Hor: Photoconductive imaging members. Xerox Corporation, E O Palazzo, May 26, 1998: US05756245 (112 worldwide citation)

A photoconductive imaging member comprised of a hydroxygallium phthalocyanine photogenerator layer, a charge transport layer, a barrier layer, a photogenerator layer comprised of a mixture of bisbenzimidazo(2,1-a-1',2'-b)anthra(2,1,9-def:6,5,10-d'e'f')diisoquinoline -6,11-dione and bisbenzimidazo(2, ...


2
Maria M Birau, Rina Carlini, C Geoffrey Allen, Sandra J Gardner, Karl W Dawson, Peter G Odell, Paul F Smith, Caroline M Turek, Roger E Gaynor, Jeffrey H Banning: Quinacridone nanoscale pigment particles. Xerox Corporation, Oliff & Berridge, September 23, 2008: US07427323 (94 worldwide citation)

A nanoscale pigment particle composition includes a quinacridone pigment including at least one functional moiety, and a sterically bulky stabilizer compound including at least one functional group, wherein the functional moiety associates non-covalently with the functional group; and the presence o ...


3
Raymond W Wong, Stephan V Drappel, Paul F Smith, C Geoffrey Allen, Caroline M Turek: Phase change inks. Xerox Corporation, Judith L Byorick, February 22, 2005: US06858070 (55 worldwide citation)

Disclosed is an ink composition comprising (a) an ink carrier which comprises a monoamide, a tetra-amide, or a mixture thereof; (b) a polyalkylene succinimide; and (c) pigment particles. Also disclosed is an ink composition comprising (a) an ink carrier, (b) a polyalkylene succinimide, and (c) pigme ...


4
Jennifer Lynne Belelie, Peter Gordon Odell, Christopher A Wagner, C Geoffrey Allen: Radiation curable ink containing a curable wax. Xerox Corporation, Oliff & Berridge, July 14, 2009: US07559639 (38 worldwide citation)

Curable monomer that is liquid at 25° C., curable wax and colorant together from a radiation curable ink. This ink may be used to form images by providing the radiation curable ink at a first temperature; applying the radiation curable ink to the substrate to form an image, the substrate being at a ...


5
Adela Goredema, Mihaela Maria Birau, C Geoffrey Allen, Caroline Turek, Maxine E Haberl, Carol A Jennings, Peter G Odell: Low molecular weight pigment dispersants for phase change ink. Xerox Corporation, Marylou J Lavoie Esq, July 5, 2011: US07973186 (34 worldwide citation)

Disclosed is a compound of the formula or a mixture thereof; wherein R and R′ are the same or different, and wherein R and R′ are independently selected from an alkyl group, an arylalkyl group, or an alkylaryl group, wherein the alkyl group, the arylalkyl group, or the alkylaryl group has from about ...


6
Gabriel Iftime, C Geoffrey Allen, Maria M Birau, Christopher A Wagner, Daryl W Vanbesien, Jordan H Wosnick, Peter G Odell: Radiation curable ink containing fluorescent nanoparticles. Xerox Corporation, Oliff & Berridge, July 17, 2012: US08222313 (20 worldwide citation)

Radiation curable compositions, such as UV curable ink compositions, contain a polymeric dispersant, a curable material, that includes a carrier and at least one nanoscale fluorescent pigment particle and an optional non-fluorescent colorant. The fluorescent organic nanoparticle composition includes ...


7
Eniko Toma, Peter G Odell, C Geoffrey Allen, Jennifer Lynne Belelie: Radiation curable phase change inks containing curable epoxy-polyamide composite gellants. Xerox Corporation, Oliff & Berridge, May 12, 2009: US07531582 (20 worldwide citation)

Ink vehicles having improved gellant solubility and ink compositions including such ink vehicles are provided. Exemplary ink vehicles include first and second co-monomers, and a gellant that includes that includes a curable epoxy-polyamide composite gellant; in which the first and second co-monomers ...


8
Gabriel Iftime, Christopher A Wagner, C Geoffrey Allen, Peter M Kazmaier, Peter G Odell, Paul F Smith: Fluorescent phase change inks. Xerox Corporation, Oliff & Berridge, March 9, 2010: US07674326 (19 worldwide citation)

Disclosed is a phase change ink containing a fluorescent colorant that upon exposure to activating energy fluoresces such that an image that was not visible prior to exposure to the activating energy becomes visible. Also disclosed are an ink jet system and a process for authenticating a color docum ...


9
Peter G Odell, C Geoffrey Allen, Christopher A Wagner, Stephan V Drappel, Rina Carlini, Eniko Toma: Radiation curable phase change inks containing gellants. Xerox Corporation, Oliff & Berridge, December 15, 2009: US07632546 (19 worldwide citation)

A radiation curable phase change ink preferably used in piezoelectric ink jet devices includes an ink vehicle that includes at least one gellant comprised of a curable polyamide-epoxy acrylate component and a polyamide component, and at least one colorant. The use of the gellant enables the ink to f ...


10
Bo Wu, Stephan V Drappel, Trevor J Snyder, Donald R Titterington, Jule W Thomas Jr, C Geoffrey Allen, Harold R Frame, Wolfgang G Wedler: Phase change inks. Xerox Corporation, Judith L Byorick, August 5, 2008: US07407539 (19 worldwide citation)

Disclosed is a phase change ink comprising (a) a colorant and (b) a phase change ink carrier, said carrier comprising (i) a branched triamide and (ii) a polyethylene wax having an average peak molecular weight of from about 350 to about 730, a polydispersity of from about 1.03 to about 3.0, and an a ...