Patents Represented by Attorney, Agent or Law Firm Judith L. Byorick
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Patent number: 7022879Abstract: The invention encompasses a compound having the formula: wherein R1, Z and the carbonyl can be comprised by a common ring, wherein R1 comprises a chromophore that absorbs light from the visible wavelength range, and wherein n is an integer that is at least 12. The invention also encompasses a solid phase change ink composition. Such composition includes a phase change ink carrier and a colorant. The colorant comprises a chromophore that absorbs light from the visible wavelength range, and has the formula: wherein R1, Z and the carbonyl can be comprised by a common ring, wherein n is an integer that is at least 12. Additionally, the invention encompasses a method of forming a colorant. A first compound having the formula, is reacted with a second compound having the formula Z(CH2)nCH3, wherein n is an integer that is at least 12, to form a third compound having the formula, wherein the third compound comprises a chromophore that absorbs light from the visible wavelength range.Type: GrantFiled: January 30, 2001Date of Patent: April 4, 2006Assignee: Xerox CorporationInventors: Jeffrey H. Banning, Michael B. Meinhardt, Donald R. Titterington, Clifford R. King
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Patent number: 7001978Abstract: Polymers of the formula wherein x is 0 or 1, R1-4 are alkyl, aryl, arylalkyl, or alkylaryl groups, X1-4 are halogens, a?, b?, c?, and d? are 0–4, UE is an unsaturated ester group, e, f, g, and h are 0–4, at least one of e, f, g, and h is ?1 in at least some monomers, SE is a saturated ester group, i, j, k, and m are 0–4, at least one of i, j, k, and m is ?1 in at least some monomers, a?+e+i?4, b?+f+j?4, c?+g+k?4, d?+h+m?4, RX represents the total number of haloalkyl groups in the polymer, the ratio of UE groups to SE groups to RX groups in the polymer is ??:??:?? wherein ?? is from about 1 to about 99.99, wherein ?? is from about 0.01 to about 99, wherein ?? is from 0 to about 50, and wherein ??+??+??=100.Type: GrantFiled: November 19, 2003Date of Patent: February 21, 2006Assignee: Xerox CorporationInventors: Christine J. DeVisser, Timothy P. Bender
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Patent number: 6998493Abstract: Compounds of the formula wherein M is either (1) a metal ion having a positive charge of +p wherein p is an integer which is at least 2, said metal ion being capable of forming a compound with at least two chromogen moieties, or (2) a metal-containing moiety capable of forming a compound with at least two chromogen moieties, z is an integer representing the number of chromogen moieties associated with the metal and is at least 2, and R1, R2, R3, R4, R5, R6, R7, a, b, c, d, Y, Q?, A, and CA are as defined herein.Type: GrantFiled: June 26, 2003Date of Patent: February 14, 2006Assignee: Xerox CorporationInventors: Jeffery H. Banning, Bo Wu, James M. Duff, Wolfgang G. Wedler, Jule W. Thomas, Jr., Randall R. Bridgeman
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Patent number: 6989052Abstract: Disclosed is a phase change ink composition comprising (1) an ink carrier comprising (A) a first component which comprises an ester-amide material, and (B) a second component which comprises either (i) a material selected from the group consisting of urethane compounds, urea compounds, urethane-urea compounds, and mixtures thereof, (ii) a polyalkylene wax, or (iii) a mixture thereof; and (2) a colorant.Type: GrantFiled: June 30, 2004Date of Patent: January 24, 2006Assignee: Xerox CorporationInventors: Bo Wu, Donald R. Titterington, Mary Ryan-Hotchkiss
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Patent number: 6972304Abstract: Disclosed is an aqueous ink composition comprising an aqueous liquid vehicle, a colorant, and an additive wherein, when the ink has been applied to a recording substrate in an image pattern and a substantial amount of the aqueous liquid vehicle has either evaporated from the ink image, hydrogen bonds of sufficient strength exist between the additive molecules so that the additive forms hydrogen-bonded oligomers or polymers.Type: GrantFiled: September 7, 2001Date of Patent: December 6, 2005Assignee: Xerox CorporationInventors: Thomas W. Smith, David J. Luca, Kathleen M. McGrane
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Patent number: 6969759Abstract: Disclosed is a colorant composition of the formula wherein R is an alkyl group, an aryl group, an arylalkyl group, or an alkylaryl group, and wherein R can be joined to the phenyl moiety to form a ring, R? is an aromatic- or heteroaromatic-containing group, each Ra, independently of the others, is a halogen atom, an alkyl group, an alkoxy group, a nitrile group, a nitro group, an amide group, or a sulfonamide group, w is an integer of 0, 1, 2, 3, or 4, n is an integer representing the number of carbon atoms in each repeat alkylene oxide unit, and x is an integer representing the number of repeat alkylene oxide units, wherein said colorant has no more than one —OH, —SH, or primary or secondary amino group per molecule.Type: GrantFiled: May 25, 2004Date of Patent: November 29, 2005Assignee: Xerox CorporationInventors: Jeffery H. Banning, Donald R. Titterington, Clifford R. King
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Patent number: 6962949Abstract: Disclosed is an ink composition comprising (a) water, (b) an anionic dye, (c) a polyquaternary amine compound, and (d) a quaternary ammonium substituted UV absorbing compound. Another embodiment of the present invention is directed to an ink composition comprising (a) water, (b) a complex of (i) an anionic dye and (ii) a polyquaternary amine compound, and (c) a quaternary ammonium substituted UV absorbing compound.Type: GrantFiled: November 7, 2001Date of Patent: November 8, 2005Assignee: Xerox CorporationInventors: Thomas W. Smith, Kathleen M. McGrane
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Patent number: 6958406Abstract: Disclosed are compounds of the formula wherein Y is a hydrogen atom or a bromine atom, n is an integer of 0, 1, 2, 3, or 4, R1 is an alkylene group or an arylalkylene group, and X is (a) a hydrogen atom, (b) a group of the formula wherein R2 is an alkyl group, an aryl group, an arylalkyl group, or an alkylaryl group, (c) an alkyleneoxy, aryleneoxy, arylalkyleneoxy, or alkylaryleneoxy group, or (d) a group of the formula wherein R4 is an alkyl group, an aryl group, an arylalkyl group, or an alkylaryl group.Type: GrantFiled: September 27, 2002Date of Patent: October 25, 2005Assignee: Xerox CorporationInventors: Jeffery H. Banning, C. Wayne Jaeger
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Patent number: 6927273Abstract: Processes for preparing polymers of the formula wherein m is 0 or 1, X is chlorine, bromine, or iodine, and n, e, and f are each, independently of the others, integers wherein e may be 0 and n and f are each at least 1 by providing a first reaction mixture containing a first solvent, a compound of the formula wherein Y is a chlorine or fluorine atom, a compound of the formula and optionally, a compound of the formula heating the first reaction mixture and removing generated water therefrom, thereby forming an intermediate polymer of the formula providing a second reaction mixture containing a second solvent, the intermediate polymer, and a N-halosuccinimide, wherein the halogen atom in the N-halosuccinimide is the same as the halogen atom that is X; and heating the second reaction mixture, thereby forming the polymer.Type: GrantFiled: December 17, 2002Date of Patent: August 9, 2005Assignee: Xerox CorporationInventor: Timothy P. Bender
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Patent number: 6906118Abstract: Disclosed is a phase change ink composition comprising a colorant and an ink vehicle, the ink being a solid at temperatures less than about 50° C. and exhibiting a viscosity of no more than about 20 centipoise at a jetting temperature of no more than about 160° C., wherein at a first temperature hydrogen bonds of sufficient strength exist between the ink vehicle molecules so that the ink vehicle forms hydrogen-bonded dimers, oligomers, or polymers, and wherein at a second temperature which is higher than the first temperature the hydrogen bonds between the ink vehicle molecules are sufficiently broken that fewer hydrogen-bonded dimers, oligomers, or polymers are present in the ink at the second temperature than are present in the ink at the first temperature, so that the viscosity of the ink at the second temperature is lower than the viscosity of the ink at the first temperature.Type: GrantFiled: September 7, 2001Date of Patent: June 14, 2005Assignee: Xerox CorporationInventors: H. Bruce Goodbrand, Thomas W. Smith, Daniel A. Foucher, Kathleen M. McGrane, Dina Popovic
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Patent number: 6897267Abstract: Disclosed is a composition which comprises a polymer containing at least some monomer repeat units with photosensitivity-imparting substituents which enable crosslinking or chain extension of the polymer upon exposure to actinic radiation, said polymer being of the formula wherein x is an integer of 0 or 1, A is one of several specified groups, such as B is one of several specified groups, such as or mixtures thereof, and n is an integer representing the number of repeating monomer units, wherein said photosensitivity-imparting substituents are allyl ether groups, epoxy groups, or mixtures thereof. Also disclosed are a process for preparing a thermal ink jet printhead containing the aforementioned polymers and processes for preparing the aforementioned polymers.Type: GrantFiled: January 7, 2002Date of Patent: May 24, 2005Assignee: Xerox CorporationInventors: Ram S. Narang, Timothy J. Fuller
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Patent number: 6878198Abstract: Phase change ink compositions comprising (a) an ink carrier comprising a monoamide and a tetra-amide, and (b) pigment particles having oxygen-containing functional groups on the surfaces thereof. Also, processes for preparing a phase change ink which comprise (a) melting a tetra-amide which is solid at about 25° C.; (b) admixing with the molten tetra-amide pigment particles having oxygen-containing functional groups on the surfaces thereof; (c) maintaining the mixture of pigment and tetra-amide at a temperature of at least about 100° C. and at a temperature of no more than about 200° C.Type: GrantFiled: November 25, 2003Date of Patent: April 12, 2005Assignee: Xerox CorporationInventors: Stephan V. Drappel, Marcel P. Breton, James D. Mayo, Raymond W. Wong, Christine E. Bedford, Danielle C. Boils-Boissier, Sandra J. Gardner, Paul F. Smith
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Patent number: 6872243Abstract: Disclosed is a phase change ink composition comprising an ink vehicle, a colorant, and a nonpolymeric organic gelator selected from the group consisting of anthracene-based compounds, steroid compounds, partially fluorinated high molecular weight alkanes, high molecular weight alkanes with exactly one hetero atom, chiral tartrate compounds, chiral butenolide-based compounds, bis-urea compounds, guanines, barbiturates, oxamide compounds, ureidopyrimidone compounds, and mixtures thereof, said organic gelator being present in the ink in an amount of no more than about 20 percent by weight of the ink, said ink having a melting point at or below which the ink is a solid, said ink having a gel point at or above which the ink is a liquid, and said ink exhibiting a gel state between the melting point and the gel point, said ink exhibiting reversible transitions between the solid state and the gel state upon heating and cooling, said ink exhibiting reversible transitions between the gel state and the liquid state uponType: GrantFiled: September 4, 2002Date of Patent: March 29, 2005Assignee: Xerox CorporationInventors: Marcel P. Breton, Danielle C. Boils-Boissier, Donald R. Titterington, Jule W. Thomas, Jr., Jeffrey H. Banning, Christine E. Bedford, James D. Wuest
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Patent number: 6871945Abstract: A process comprising incorporating into an ink jet printing apparatus a developing composition; an oxidizing composition a coloring composition; and a fixing composition; ejecting droplets of the developing composition onto the substrate; ejecting droplets of the oxidizing composition onto the substrate; ejecting droplets of the coloring composition onto the substrate; and ejecting droplets of the fixing composition onto the substrate; wherein the process results in at least some portions of the substrate bearing images comprising all four compositions, the portions forming a printed image. Specific embodiments are directed to the realization of continuous tone and gray scale in image by control of the time at which color forming reactions are quenched by controlling the lime period between deposition of the color forming liquids and deposition of the fixing liquid; or control of the extent of color forming reactions by limitation of the quantity of one of the color forming liquids.Type: GrantFiled: January 29, 2003Date of Patent: March 29, 2005Assignee: Xerox CorporationInventors: Thomas W. Smith, Kathleen M. McGrane, David J. Luca, William W. Limburg
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Patent number: 6860931Abstract: Phase change inks comprising a carrier and a colorant of the formula wherein R1, R2, R3, R4, R5, R6, R7, a, b, c, d, Y, Q, Q?, A, and CA are as defined herein.Type: GrantFiled: June 26, 2003Date of Patent: March 1, 2005Assignee: Xerox CorporationInventors: Bo Wu, Jeffery H. Banning, James M. Duff, Wolfgang G. Wedler, Donald R. Titterington
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Patent number: 6860930Abstract: Disclosed is a phase change ink composition comprising (a) a colorant and (b) a carrier comprising a polyamide, wherein the polyamide component of the carrier contains at least about 10 percent by weight of a branched triamide.Type: GrantFiled: June 25, 2003Date of Patent: March 1, 2005Assignee: Xerox CorporationInventors: Bo Wu, Jeffery H. Banning, Donald R. Titterington, C. Wayne Jaeger
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Patent number: 6861458Abstract: Disclosed is a compound of one of the formulae wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, and R10 each, independently of the others, is an alkyl group, an aryl group, an arylalkyl group, or an alkylaryl group, R11 and R12 each, independently of the others, is an alkylene group, an arylene group, an arylalkylene group, or an alkylarylene group, G is a cationic moiety, A is an anionic moiety, n is an integer representing the number of repeat —OSi(R7)(R8)— monomer units, a is an integer representing the number of repeat —OSi(R10)(R12-lightfastness moiety)— monomer units, and c is an integer representing the number of repeat —OSi(R9)(R11-hydrophilic moiety)— monomer units.Type: GrantFiled: November 15, 2001Date of Patent: March 1, 2005Assignee: Xerox CorporationInventors: Thomas W. Smith, Kathleen M. McGrane
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Patent number: 6858070Abstract: 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) pigment particles, said ink having a conductivity great than 1×10?8 Siemens per centimeter. Also disclosed is an ink set comprising (1) a first ink comprising (a) an ink carrier, (b) a polyalkylene succinimide, and (c) pigment particles, and (2) a second ink comprising a dye colorant and a second ink carrier, wherein the first ink carrier contains substantially the same components as the second ink carrier.Type: GrantFiled: November 25, 2003Date of Patent: February 22, 2005Assignee: Xerox CorporationInventors: Raymond W. Wong, Stephan V. Drappel, Paul F. Smith, C. Geoffrey Allen, Caroline M Turek
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Patent number: 6846525Abstract: Disclosed is a recording sheet which comprises a substrate and a material selected from the group consisting of purine compounds, pyrimidine compounds, benzimidazole compounds, imidazolidine compounds, urazole compounds, pyrazole compounds, triazole compounds, benzotriazole compounds, tetrazole compounds, pyrazine compounds, and mixtures thereof. Also disclosed is a recording sheet which consists essentially of a substrate, at least one material selected from the group consisting of purine compounds, pyrimidine compounds, benzimidazole compounds, imidazolidine compounds, urazole compounds, pyrazole compounds, triazole compounds, benzotriazole compounds, tetrazole compounds, pyrazine compounds, and mixtures thereof, an optional binder, an optional antistatic agent, an optional biocide, and an optional filler.Type: GrantFiled: February 15, 1994Date of Patent: January 25, 2005Assignee: Xerox CorporationInventor: Shadi L. Malhotra
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Patent number: 6835238Abstract: A phase change ink composition comprising a phase change ink carrier and a colorant compound of the formula wherein M is either (1) a metal ion having a positive charge of +y wherein y is an integer which is at least 2, said metal ion being capable of forming a compound with at least two chromogen moieties, or (2) a metal-containing moiety capable of forming a compound with at least two chromogen moieties, z is an integer representing the number of chromogen moieties associated with the metal and is at least 2, and R1, R2, R3, R4, R5, R6, R7, a, b, c, d, Y, Q−, A, and CA are as defined herein.Type: GrantFiled: June 26, 2003Date of Patent: December 28, 2004Assignee: Xerox CorporationInventors: Bo Wu, Jeffery H. Banning, James M. Duff, Wolfgang G. Wedler, Jule W. Thomas, Jr., Randall R. Bridgeman