Abstract: A carrier containing a core, and a polymer coating containing an inorganic polymer, an organic polymer and an optional further polymer, or polymers.
Abstract: A method of preparing a transparency comprised of a substrate with two coating layers on the front side and two coating layers on the reverse side of the substrate; wherein said two front side coatings are comprised of a first layer in contact with the substrate, and a second toner receiving coating situated on top of the first coating and wherein the said two coatings in contact with the reverse side of the substrate are comprised of a third coating in contact with the substrate, and a fourth toner receiving coating layer on top of the third coating said method comprising (a) dissolving a coating solution of the first layer in a mixture of about two solvents where at least one solvent is a solvent for the coating layer and at least one other solvent is a gelling agent for the coating layer, (b) dissolving a second toner receiving composition in water, (c) coating the two solutions simultaneously, (d) drying, and (e) coating the third and fourth layers, and drying.
Abstract: A carrier comprised of a core and thereover a polymer, and which polymer contains dispersed therein a mixture of an inorganic polymer, and an organic metallic polymer.
Type:
Grant
Filed:
June 20, 2001
Date of Patent:
July 23, 2002
Assignee:
Xerox Corporation
Inventors:
Stephan V. Drappel, Daniel A. Foucher, Richard P. N. Veregin
Abstract: A display comprised of a first component containing spheres encapsulated within a wax, and thereover and thereunder said component substrates.
Type:
Grant
Filed:
March 21, 2001
Date of Patent:
July 16, 2002
Assignee:
Xerox Corporation
Inventors:
Guerino G. Sacripante, James C. Mikkelsen, Jr.
Abstract: A process for the preparation of toner by, for example, mixing a colorant, a latex, optionally a wax and a water solubilized silica with an alumina coating or an aluminized silica as a coagulant.
Type:
Grant
Filed:
March 19, 2001
Date of Patent:
July 9, 2002
Assignee:
Xerox Corporation
Inventors:
Michael A. Hopper, Raj D. Patel, Daryl Vanbesien
Abstract: A process comprising coalescing a plurality of latex encapsulated colorants and wherein each of said encapsulated colorants are generated by miniemulsion polymerization.
Abstract: A process for the preparation of microsynthetic carrier comprising the melting of a mixture of binder resin, magnetic component, colorant and optionally charge control additive, thereby forming a polymer melt, and mixing said mixture in a melt mixing device, cooling and pelletizing said mixture, and thereafter grinding and classifying said pellets.
Type:
Grant
Filed:
March 22, 1999
Date of Patent:
March 12, 2002
Assignee:
Xerox Corporation
Inventors:
Enno E. Agur, Hadi K. Mahabadi, Sheau V. Kao, Gerald R. Allison, John A. Creatura
Abstract: A process for the preparation of toner comprising mixing a colorant, a latex, and a polyamine followed by aggregation and coalescence, and wherein said process is accomplished in the presence of an oxidizing agent.
Type:
Grant
Filed:
February 16, 2001
Date of Patent:
March 5, 2002
Assignee:
Xerox Corporation
Inventors:
Lu Jiang, Walter Mychajlowskij, Michael A. Hopper
Abstract: An ink composition containing (1) a complex mixture of a urea compound and an alkylene oxide containing oxyalkylene compound wherein the conductive mixture optionally possesses a melting point of from about 60 to about 120° C.; (2) a polymeric binder with an optional melting point of from about 60 to about 115° C.; (3) a lightfastness component; (4) a lightfast antioxidant, and (5) a colorant.
Type:
Grant
Filed:
June 7, 2000
Date of Patent:
February 26, 2002
Assignee:
Xerox Corporation
Inventors:
Marcel P. Breton, Shadi L. Malhotra, Danielle C. Boils, Raymond W. Wong
Abstract: An alkali sulfonated polyester-amine resin generated from the reaction of an organic diol, and a mixture of an organic diacid, an alkali sulfonated diacid and an amino-organic diacid.
Type:
Grant
Filed:
April 19, 2001
Date of Patent:
February 19, 2002
Assignee:
Xerox Corporation
Inventors:
Walter Mychajlowskij, Daniel A. Foucher, Raj D. Patel, Guerino G. Sacripante
Abstract: A process for the preparation of an encapsulated colorant comprising the emulsion polymerization of a miniemulsion of monomer, colorant, ionic surfactant, cosurfactant, and optional nonionic surfactant, and wherein the resulting encapsulated colorant containing a polymer shell is of a diameter of from about 100 to about 1,000 nanometers.
Abstract: A liquid developer containing a liquid, colorant, and a wax charge acceptance additive. When free of colorant, the developer is considered colorless or slightly colored.
Abstract: An ink comprised of a vehicle, colorant, and resin emulsion, and wherein the resin emulsion contains water, surfactant, resin particles and solubilized resin obtained from the polymerization of a mixture of olefinic monomers, and wherein at least one of the olefinic monomers is an acid.
Type:
Grant
Filed:
June 5, 1997
Date of Patent:
December 11, 2001
Assignee:
Xerox Corporation
Inventors:
Guerino G. Sacripante, Garland J. Nichols, Elizabeth A. Kneisel, Chieh-Min Cheng
Abstract: An ink composition comprised of a colorant, potassium iodide, and a poly(quaternary amine), and which ink possesses a pH of from about 7.5 to about 12.
Type:
Grant
Filed:
February 22, 2000
Date of Patent:
December 11, 2001
Assignee:
Xerox Corporation
Inventors:
James D. Mayo, Marcel P. Breton, Fereshteh Lesani
Abstract: A photoconductive imaging member containing a photogenerating layer comprised of a mixture of perylenes, wherein the mixture comprises, for example, (1) 1,3-bis(n-pentylimidoperyleneimido) propane (Formula A), 1,3-bis(2-methylbutylimido peryleneimido)propane (Formula B) and 1-(n-pentylimidoperyleneimido)-3-(2-methylbutyl imidoperyleneimido)-propane (Formula C), and (2) an electron acceptor component polymer
Type:
Grant
Filed:
July 13, 2000
Date of Patent:
November 27, 2001
Assignee:
Xerox Corporation
Inventors:
Cheng-Kuo Hsiao, Ping Liu, Ah-Mee Hor, Beng S. Ong
Abstract: A photoconductive imaging member containing a photogenerating layer and a triphenylamine charge transport layer of the formula or optionally mixtures thereof
wherein R1, R2, R3, R4, and R5 are each independently alkyl, aryl, hydrogen, alkoxy, and the like.
Type:
Grant
Filed:
February 26, 2001
Date of Patent:
November 20, 2001
Assignee:
Xerox Corporation
Inventors:
Dasarao K. Murti, James M. Duff, C. Geoffrey Allen