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Patentes

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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US393366712 Mar 197320 Ene 1976Kabushiki Kaisha RicohDouble dispersion acrylate or methacrylate wet developer
US395464027 Jun 19734 May 1976Xerox CorporationElectrostatic printing inks
US396796222 Oct 19756 Jul 1976Xerox CorporationDeveloping with toner polymer having crystalline and amorphous segments
US399098012 Sep 19749 Nov 1976Philip A. Hunt Chemical CorporationHybrid liquid toners
US399122614 Ene 19749 Nov 1976Philip A. Hunt Chemical CorporationMethod of creating an image using hybrid liquid toners
US399231124 Jul 197516 Nov 1976Reactive developer for electrophotography
US402429224 Sep 197517 May 1977Xerox CorporationProcess for developing latent electrostatic images with ink
US412337419 Ene 197731 Oct 1978Agfa-Gevaert N.V.Electrophoretic development
US415797315 Mar 197612 Jun 1979Pitney-Bowes, Inc.Copolymer compositions and method of preparation
US425942916 Ago 197931 Mar 1981AGFA-GEVAERT N.V.Protection of toner images
US43060093 Ene 198015 Dic 1981Nashua CorporationLiquid developer compositions with a vinyl polymeric gel
US437491816 Sep 198122 Feb 1983Nashua CorporationThermally stable liquid negative developer
US453361126 Abr 19836 Ago 1985Hoechst AktiengesellschaftProcess for preparing a planographic printing plate
US46650025 Sep 198512 May 1987Fuji Photo Film Co., Ltd.Liquid developer for electrostatic photography
US46845949 Sep 19864 Ago 1987Hoechst AktiengesellschaftElectrophotographic process for preparing printing forms using alkaline decoater solution
US470569627 Sep 198410 Nov 1987Olin Hunt Specialty Products Inc.Method of making a lithographic printing plate, printing plates made by the method, and the use of such printing plates to make lithographic prints
US482264330 Jun 198718 Abr 1989Minnesota Mining and Manufacturing CompanyThermal transfer imaging system
US48699913 Oct 198826 Sep 1989Olin Hunt Specialty Products Inc.Charge director composition for liquid toner formulations
US49257662 Dic 198815 May 1990Minnesota Mining and Manufacturing CompanyLiquid electrophotographic toner
US49467532 Dic 19887 Ago 1990Minnesota Mining and Manufacturing CompanyLiquid electrophotographic toners
US506158319 Ene 199029 Oct 1991Minnesota Mining and Manufacturing CompanyColor electrophotography for high quality half-tone images
US515309028 Jun 19906 Oct 1992CommTech International Management CorporationCharge directors for use in electrophotographic compositions and processes
US52622658 Ene 199316 Nov 1993Sekisui Kagaku Kogyo Kabushiki KaishaResin composition for toners and a toner containing the same
US534679620 Jul 199213 Sep 1994Spectrum Sciences B.V.Electrically stabilized liquid toners
US552127129 Sep 199428 May 1996Minnesota Mining and Manufacturing CompanyLiquid toners with hydrocarbon solvents
US553005324 May 199525 Jun 1996Minnesota Mining and Manufacturing CompanyLiquid toners utilizing highly fluorinated solvents
US553006717 May 199425 Jun 1996Minnesota Mining and Manufacturing CompanyLiquid toners utilizing highly fluorinated solvents
US559988622 Feb 19964 Feb 1997Minnesota Mining and Manufacturing CompanyLiquid toners with hydrocarbon solvents
US560407017 Feb 199518 Feb 1997Minnesota Mining and Manufacturing CompanyLiquid toners with hydrocarbon solvents
US565228229 Sep 199529 Jul 1997Minnesota Mining and Manufacturing CompanyLiquid inks using a gel organosol
US56630241 Nov 19962 Sep 1997Minnesota Mining and Manufacturing CompanyLiquid toners with hydrocarbon solvents
US569861630 Sep 199616 Dic 1997Minnesota Mining and Manufacturing CompanyLiquid inks using a gel organosol
US574426925 Nov 199628 Abr 1998Specialty Toner CorporationMethod for protecting developed electrostatic images using an amphipathic toner
US575376330 Oct 199619 May 1998Minnesota Mining and Manufacturing CompanyProcess for preparing liquid toners with hydrocarbon solvents
US58404533 Dic 199324 Nov 1998Colorep, Inc.Solvation-based charge direction of electrophotographic developer compositions
US59198669 Feb 19986 Jul 1999Minnesota Mining and Manufacturing CompanyLiquid toners with hydrocarbon solvents
US625536326 Sep 19963 Jul 20013M Innovative Properties CompanyLiquid inks using a gel organosol
US647246317 Dic 199929 Oct 2002E. I. du Pont de Nemours and CompanyGraft copolymer pigment dispersant
US649561817 Dic 199917 Dic 2002E. I. du Pont de Nemours and CompanyGraft copolymer with an amide functional group as a pigment dispersant
US705281622 Oct 200330 May 2006Samsung Electronics CompanyOrganosol liquid toner including amphipathic copolymeric binder having crosslinkable functionality
US706040830 Dic 200313 Jun 2006Samsung Electronics CompanyLiquid toner comprising encapsulated pigment, methods and uses
US707090030 Sep 20034 Jul 2006Samsung Electronics CompanyAdjuvants for positively charged toners
US711884230 Sep 200310 Oct 2006Samsung Electronics CompanyCharge adjuvant delivery system and methods
US714467130 Sep 20035 Dic 2006Samsung Electronics CompanyAdjuvants for negatively charged toners