Hot Melt Type Or Wax Containing Patents (Class 106/31.29)
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Patent number: 6682587Abstract: A meltable ink composition used in a printing apparatus in which ink drops are ejected from ink ducts wherein the ink composition contains a compound with the following formula in which R1 and R′1 are the same or different and are selected from a C1-8 alkyl group or a C1-8 alkoxy group, R2 is a C1-12 linear alkane diyl group or a C5-12 alkane diyl group containing an alicyclic group, and n is 1, 2 or 3.Type: GrantFiled: January 8, 2002Date of Patent: January 27, 2004Assignee: Oce-Technologies B.V.Inventors: Danny Hendrik maria Hendricks, Marcus Petrus Leonardus Huinck, Frederik Leonardus Everardus Suilen
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Publication number: 20040007155Abstract: Disclosed is a phase change ink composition comprising a phase change ink carrier and a colorant compound of the formula 1Type: ApplicationFiled: June 27, 2002Publication date: January 15, 2004Applicant: Xerox CorporationInventors: Jeffrey H. Banning, Bo Wu, James D. Mayo, James M. Duff, Rina Carlini, Jule W. Thomas,, Paul F. Smith
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Patent number: 6673139Abstract: Disclosed is a phase change ink composition comprising a phase change ink carrier and a colorant compound of the formulaType: GrantFiled: June 27, 2002Date of Patent: January 6, 2004Assignee: Xerox CorporationInventors: Bo Wu, Rina Carlini, James M. Duff, Jeffrey H. Banning, James D. Mayo
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Patent number: 6663703Abstract: Disclosed is a phase change ink composition comprising a phase change ink carrier and a colorant compound of the formulaType: GrantFiled: June 27, 2002Date of Patent: December 16, 2003Assignee: Xerox CorporationInventors: Bo Wu, Rina Carlini, Jeffrey H. Banning, James M. Duff, James D. Mayo, Jule W. Thomas, Jr., Paul F. Smith, Michael B. Meinhardt
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Patent number: 6652635Abstract: Disclosed is a phase change ink composition comprising (a) a phase change carrier, (b) a cyan colored resin or wax comprising the reaction product of (i) a cyan colorant having at least one functional group selected from (A) hydroxyl groups, (B) primary or secondary amino groups, (C) mercapto groups, or (D) mixtures thereof, and (ii) an isocyanate, and (c) an organic acid selected from (i) organic sulfonic acids, (ii) organic phosphinic acids, (iii) organic phosphonic acids, or (iv) mixtures thereof.Type: GrantFiled: April 10, 2002Date of Patent: November 25, 2003Assignee: Xerox CorporationInventors: Srinivasa D. Rangaraj, Mark R. Parker, Jeffrey R. Kohne
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Publication number: 20030209166Abstract: An ink composition is disclosed which contains a novel type of dye (DYE)n(SAU)m that is capable of self-assembling under appropriate conditions, or is capable of assembling with another analogous dye (DYE′)n′(SAU′)m′, or is capable of assembling with a compound (SAU″)p(X)q, thus forming supramolecular structures. Also disclosed is an ink jet printing process using these novel dyes, and an ink jet printing apparatus provided with an ink cartridge containing such a dye.Type: ApplicationFiled: October 8, 2002Publication date: November 13, 2003Inventors: Luc Vanmaele, Johan Loccufier, Egbert Meijer, Henricus Janssen, Pieter Fransen
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Patent number: 6645282Abstract: A hot melt ink composition containing a an alkylene distearate which improves the color strength of the ink and is formed as a reaction product of a C4-C8 diol and at least one acid selected from the group consisting of a C16-C18 monofunctional acid and a C9-C10 difunctional acid.Type: GrantFiled: January 5, 2001Date of Patent: November 11, 2003Assignee: Sun Chemical CorporationInventors: Edward Stone, Jitendra J. Modi, Robert J. Catena
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Publication number: 20030172841Abstract: Disclosed is a phase change ink composition comprising a phase change ink carrier and a colorant compound of the formula 1Type: ApplicationFiled: February 8, 2002Publication date: September 18, 2003Applicant: Xerox CorporationInventors: Donald R. Titterington, Michael B. Meinhardt, Jeffrey H. Banning, James D. Mayo, James M. Duff, Roger E. Gaynor, Harold R. Frame
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Patent number: 6607588Abstract: Novel addition products of hydroxyl-protecting groups (such as isocyanates) with oxyalkylene-substituted intermediates, such as poly(oxyalkylenated) aniline compounds, for the eventual production of substituted, and substantially pure, colorants, particularly diazo and triphenylmethane derivatives, through the reaction of such intermediates with certain reactants are provided. These new colorants exhibit improved wax and/or oil solubility and high purity, particularly due to the inability of certain impurities to deleteriously react with the protected hydroxyl groups of either the intermediate or the colorant during and/or after formation thereof. A method for producing such novel colorants through utilization of these novel substantially pure colorant intermediates is also provided.Type: GrantFiled: September 6, 2001Date of Patent: August 19, 2003Assignee: Milliken & Co.Inventor: Rajnish Batlaw
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Patent number: 6602594Abstract: An irreversible heat-sensitive composition comprises a mixture of a granular or powdery heat-fusible substance having a melting point corresponding to a temperature to be recorded and a granular or powdery dyestuff diffusible into the fused heat-fusible substance through dispersion or dissolution. A heat-sensitive ink comprises the irreversible heat-sensitive composition and an ink vehicle capable of diffusing the fused heat-fusible substance therein. A heat-sensitive ink according to another embodiment comprises microcapsules, which encapsulate the irreversible heat-sensitive composition. A heat-sensitive indicator comprises a substrate provided thereon with a printed heat-sensitive ink, the heat-sensitive ink being one of these heat-sensitive inks.Type: GrantFiled: April 23, 2001Date of Patent: August 5, 2003Assignee: Nichiyu Giken Kogyo Co., Ltd.Inventors: Sachie Miyata, Hiromichi Mizusawa, Daisuke Harumoto
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Patent number: 6585816Abstract: Disclosed is a phase change ink composition comprising a colorant and an ink vehicle, said ink being a solid at temperatures less than about 50° C., wherein the ink vehicle comprises a borate ester.Type: GrantFiled: November 9, 2001Date of Patent: July 1, 2003Assignee: Xerox CorporationInventors: Thomas W. Smith, Suresh K. Ahuja
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Publication number: 20030079644Abstract: 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: ApplicationFiled: September 7, 2001Publication date: May 1, 2003Applicant: Xerox CorporationInventors: Thomas W. Smith, David J. Luca, Kathleen M. McGrane
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Publication number: 20030079645Abstract: Disclosed is a phase change ink composition comprising (a) a phase change carrier, (b) a cyan colored resin or wax comprising the reaction product of (i) a cyan colorant having at least one functional group selected from (A) hydroxyl groups, (B) primary or secondary amino groups, (C) mercapto groups, or (D) mixtures thereof, and (ii) an isocyanate, and (c) an organic acid selected from (i) organic sulfonic acids, (ii) organic phosphinic acids, (iii) organic phosphonic acids, or (iv) mixtures thereof.Type: ApplicationFiled: April 10, 2002Publication date: May 1, 2003Applicant: Xerox CorporationInventors: Srinivasa D. Rangaraj, Mark R. Parker, Jeffrey R. Kohne
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Patent number: 6554889Abstract: In an ink composition comprising a phosphoric ester and a dye, if the phosphoric ester is composed of an acid-type phosphoric ester and a neutralized-type phosphoric ester, the phosphoric ester and the dye hardly react with each other. Therefore, when such an ink composition is used to form a dye layer, a constituent layer of a heat transfer printing sheet, the discoloration or fading of the dye layer is minimized. Further, a heat transfer printing sheet comprising a dye layer formed by using this ink composition shows improved separability from an image-receiving sheet after an image is thermally transferred to the image-receiving sheet, regardless of the material for the substrate of the image-receiving sheet. It is thus possible to obtain an excellent image on an image-receiving sheet.Type: GrantFiled: September 27, 2001Date of Patent: April 29, 2003Assignee: Dai Nippon Printing Co., Ltd.Inventor: Tsuaki Odaka
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Publication number: 20030061964Abstract: Novel addition products of hydroxyl-protecting groups (such as isocyanates) with oxyalkylene-substituted intermediates, such as poly(oxyalkylenated) aniline compounds, for the eventual production of substituted, and substantially pure, colorants, particularly diazo and triphenylmethane derivatives, through the reaction of such intermediates with certain reactants are provided. These new colorants exhibit improved wax and/or oil solubility and high purity, particularly due to the inability of certain impurities to deleteriously react with the protected hydroxyl groups of either the intermediate or the colorant during and/or after formation thereof. A method for producing such novel colorants through utilization of these novel substantially pure colorant intermediates is also provided.Type: ApplicationFiled: September 6, 2001Publication date: April 3, 2003Inventor: Rajnish Batlaw
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Patent number: 6537410Abstract: There is described a thermal recording system which utilizes a donor element comprising a substrate and a thermal transfer material layer having a dye-containing phase which is amorphous and wherein the dye or dyes present in the amorphous phase form a continuous film. Imagewise heating of the medium transfers portions of the transfer layer to a receiver sheet, thus forming an image. The transfer layer may also include a non-dye phase comprising a thermal solvent. During the heating of the donor element, the crystalline thermal solvent melts and dissolves or liquefies at least a portion of the dye-containing phase, thereby lowering the temperature at which transfer of the transfer layer occurs.Type: GrantFiled: December 21, 2000Date of Patent: March 25, 2003Assignee: Polaroid CorporationInventors: Michael J. Arnost, Alain Bouchard, Yongqi Deng, Edward J. Dombrowski, Russell A. Gaudiana, Serajul Haque, Fariza B. Hasan, John L. Marshall, Stephen J. Telfer, William T. Vetterling, Michael S. Viola
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Publication number: 20030019394Abstract: Provision of a hot melt ink composition for ink-jet printing, which is capable of representing the intrinsic color of its coloring component and is stable at high temperature, allowing excellent reproducibility of the color of the images resultantly recorded on recording medium. A hot melt ink composition for ink-jet printing, which is composed of coloring matter, saturated hydrocarbon wax (solid at room temperature) and resin, said wax giving a color value of 1.0 or less as defined by ASTM D 1500 and said resin giving a YI value of −5 to 5 as defined by JIS K 7103. The hot melt ink composition of the present invention, when ink-jet printed onto recording medium, allows its coloring matter's intrinsic color to be accurately represented on the recording medium with rich color rendition.Type: ApplicationFiled: July 10, 2002Publication date: January 30, 2003Inventor: Yoshikatsu Itoh
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Patent number: 6503309Abstract: Novel addition products of isocyanates with oxyalkylene-substituted aminophenol compounds as intermediates for the production of urethane-substituted xanthene colorants, particularly triphenylmethane derivatives such as rhodamines, are provided. The xanthene colorants exhibit improved wax and/or oil solubility and high purity. The urethane-substituted xanthene colorant features very good wax and/or oil solubility, and is believed to be relatively nontoxic. A method for producing this novel colorant is also provided.Type: GrantFiled: January 10, 2001Date of Patent: January 7, 2003Assignee: Milliken & CompanyInventors: Rajnish Batlaw, Patrick D. Moore
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Ink composition for a meltable ink and a method of printing a substrate with such an ink composition
Patent number: 6471758Abstract: An ink composition for a meltable ink usable in a printing device in which ink drops are ejected from ink ducts, which comprises agents which reversibly cross-link the ink, the said agents containing a gelling agent. When an ink drop which has been transferred to a substrate passes over into a gel during the cooling process, the consequence is that the viscosity of the melted ink drop increases greatly so that the drops become relatively immobile. In this way the ink drops are prevented from uncontrollably flowing into the paper. As a result, inks of this kind are suitable for use on both porous and smooth substrates. In addition, these inks have been found suitable for use in a printing device in which printed substrates are subjected to thermal after-treatment.Type: GrantFiled: July 7, 2000Date of Patent: October 29, 2002Assignee: Oce Technologies B.V.Inventors: Erik Kelderman, Marcus Petrus Leonardus Huinck, Nicolina Margriet Kortenhoeven, Frederik Leonardus Everardus Marie Suilen, Guido Gerardus Willems, Albin Bernhard Werner Haas -
Patent number: 6464766Abstract: The invention includes colorless compounds having a central core and at least two arms extending from the core. The core can comprise one or more atoms. The at least two arms have the formula In such formula, Z is a segment of one or more atoms; j is an integer from 1 to about 300 and can be different at one of the at least two arms than at another of the at least two arms; Q is an alkyl or aryl group and can vary amongst different alkyl and aryl groups within the colorless compound; and n is an integer greater than 1 and can be different at one of the at least two arms than at another of the at least two arms. In other aspects, the invention encompasses phase change inks incorporating the above-described colorless compound as toughening agent, and methods of printing with such phase change inks.Type: GrantFiled: February 15, 2002Date of Patent: October 15, 2002Assignee: Xerox CorporationInventors: Jeffrey H. Banning, Donald R. Titterington, Wolfgang G. Wedler
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Patent number: 6461417Abstract: An ink composition comprised of (1) an ink vehicle of (a) alkyl alkyl ketones of the formula CH3(CH2)m CO (CH2)n CH3 where m and n represent the number of segments and wherein alkyl contains from about 1 to about 25 carbons, (b) alkyl aryl ketones where each alkyl contains from about 1 to about 20 carbons, and the aryl is anthracene, naphthalene or phenyl, (c) arylaryl ketones where each aryl is benzyl, phenyl or naphthyl, (2) an ink viscosity component, (3) a conductive compound, (4) an antioxidant compound, (5) a lightfastness component, and (6) a colorant.Type: GrantFiled: August 24, 2000Date of Patent: October 8, 2002Assignee: Xerox CorporationInventors: Shadi L. Malhotra, Raymond W. Wong, Marcel P. Breton
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Publication number: 20020137850Abstract: Phase change (hot melt) ink compositions for use in a phase change (hot melt) ink jet recording device in which recording is conducted by thermally melting the ink at a temperature above ambient temperature (20° C.Type: ApplicationFiled: December 20, 2001Publication date: September 26, 2002Applicant: Westvaco Corporation, New York, NYInventor: Michael D. Matzinger
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Patent number: 6454842Abstract: A method of preparing a scented ink composition comprising the steps of first preparing a mixture which includes a polymer component consisting of a water soluble polymer selected form the group consisting of acrylic, styrene-maleic anhydride, sulfonated polyester, polyamide, and polyurethene. A color component which is selected from the group consisting of a pigment and a dye, and a solvent component comprising water are also provided. The mixture is then agitated. An oil-based fragrance is then blended into this mixture to produce a scented mixture and is then agitated. A microemulsion of the oil-based fragrance in water is created, wherein the resin stabilizes the microdroplets of the oil-based fragrance by coating the microdroplets. Preferably, the microdroplets of the oil-based fragrance have a diameter of from about 0.1 to about 1.0 micrometers.Type: GrantFiled: August 20, 2001Date of Patent: September 24, 2002Assignee: BCM Inks USA IncorporatedInventors: Theodore G. Vernardakis, Natan Nasilevich
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Publication number: 20020124771Abstract: A meltable ink composition used in a printing apparatus in which ink drops are ejected from ink ducts wherein the ink composition contains a compound with the following formula 1Type: ApplicationFiled: January 8, 2002Publication date: September 12, 2002Inventors: Danny Hendrik Maria Hendricks, Marcus Petrus Leonardus Huinck, Frederik Leonardus Everardus Suilen
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Patent number: 6447591Abstract: Solid inks and toners contain at least one colorant that includes at least one substituted-9,10-anthraquinone compound, substituted with at least one monofunctional amine. The colorant can be formed very efficiently, and the product can be used in desirable image formation methods.Type: GrantFiled: February 25, 2000Date of Patent: September 10, 2002Assignee: Xerox CorporationInventors: Donald R. Titterington, Jeffery H. Banning
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Patent number: 6444018Abstract: A phase change ink carrier composition comprising at least one anhydride/amino alcohol based adduct which is a reaction product of at least one anhydride and at least one amino alcohol, wherein the reaction product is an ester material or an amide material, but not an ester-amide material.Type: GrantFiled: February 12, 1999Date of Patent: September 3, 2002Assignee: Xerox CorporationInventors: Clifford R. King, Jeffery H. Banning, Donald R. Titterington
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Patent number: 6422695Abstract: The invention encompasses a compound having the formula: wherein at least one Q1, Q2, Q3 and Q4 is a halogen atom and any of Q1, Q2, Q3 and Q4 which is not a halogen atom is a hydrogen atom; and wherein R comprises at least two carbon atoms. The invention further encompasses inclusion of such compound into phase change ink carrier compositions, as well as printing methods utilizing such compound.Type: GrantFiled: January 2, 2002Date of Patent: July 23, 2002Assignee: Xerox CorporationInventor: C. Wayne Jaeger
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Publication number: 20020088371Abstract: Novel addition products of isocyanates with oxyalkylene-substituted aminophenol compounds as intermediates for the production of urethane-substituted xanthene colorants, particularly triphenylmethane derivatives such as rhodamines, are provided. The xanthene colorants exhibit improved wax and/or oil solubility and high purity. The urethane-substituted xanthene colorant features very good wax and/or oil solubility, and is believed to be relatively nontoxic. A method for producing this novel colorant is also provided.Type: ApplicationFiled: January 10, 2001Publication date: July 11, 2002Inventors: Rajnish Batlaw, Patrick D. Moore
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Patent number: 6409811Abstract: An anti-abrasion additive for ink formulations includes sintered polytetrafluoroethylene in a reduced amount; a petrolatum; and a high melting point microcrystalline wax. The additive, when dispersed in an ink, provides the ink with good slip, abrasion resistance, low misting, and mar resistance.Type: GrantFiled: November 6, 2000Date of Patent: June 25, 2002Assignee: Elementis Specialties, Inc.Inventors: Bruce Tavares, James Gambino
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Patent number: 6406531Abstract: Phase change compositions that are solid at ambient temperature and liquid at an elevated temperature above ambient temperature are disclosed for advantageous use in selective deposition modeling methods for building three-dimensional objects. A phase change composition according to the disclosed invention is a semi-crystalline component mixture having a freezing point of at least about 68° C., a melting point of at least about 88° C. and a viscosity of about 13 centipoise at 135° C. The composition includes a plurality of waxes having a broad melting point range and molecular weight range. Three-dimensional objects having minimal curl, delamination and stress cracks can be produced at a faster rate than heretofore known by using selective deposition modeling techniques employing the disclosed compositions.Type: GrantFiled: March 7, 2000Date of Patent: June 18, 2002Assignee: 3D Systems, Inc.Inventors: Loc V. Bui, Vu Doan, Kelly Kwo
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Patent number: 6398857Abstract: Disclosed is an ink composition comprising (a) an ink vehicle comprising a benzoic acid compound substituted with an alkyl group, an alkoxy group, an arylalkyl group, an alkylaryl group, an arylalkyloxy group, or an alkyloxyaryl group; (b) a viscosity modifier; (c) a colorant; (d) an optional conductivity enhancing agent; (e) an optional antioxidant; and (f) an optional UV absorber.Type: GrantFiled: August 3, 2000Date of Patent: June 4, 2002Assignee: Xerox CorporationInventors: Shadi L. Malhotra, Raymond W. Wong, Marcel P. Breton
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Publication number: 20020062761Abstract: In an ink composition comprising a phosphoric ester and a dye, if the phosphoric ester is composed of an acid-type phosphoric ester and a neutralized-type phosphoric ester, the phosphoric ester and the dye hardly react with each other. Therefore, when such an ink composition is used to form a dye layer, a constituent layer of a heat transfer printing sheet, the discoloration or fading of the dye layer is minimized. Further, a heat transfer printing sheet comprising a dye layer formed by using this ink composition shows improved separability from an image-receiving sheet after an image is thermally transferred to the image-receiving sheet, regardless of the material for the substrate of the image-receiving sheet. It is thus possible to obtain an excellent image on an image-receiving sheet.Type: ApplicationFiled: September 27, 2001Publication date: May 30, 2002Applicant: DAI NIPPON PRINTING CO., LTD.Inventor: Tsuaki Odaka
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Patent number: 6395077Abstract: Disclosed is an ink composition comprising (a) a benzoyl benzoic acid compound; (b) a colorant; (c) an optional viscosity modifier, (d) an optional conductivity enhancing agent, and (e) an optional second acid.Type: GrantFiled: August 3, 2000Date of Patent: May 28, 2002Assignee: Xerox CorporationInventor: Shadi L. Malhotra
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Patent number: 6376611Abstract: Phase change (hot melt) ink compositions for use in a phase change (hot melt) ink jet recording device in which recording is conducted by thermally melting the ink at a temperature above ambient temperature (20° C.) to provide prints that possess high quality images, scratch resistance, abrasion resistance, low-temperature storage stability and flexibility, offset and pick resistance, adhesion, and other desired properties are disclosed to comprise: (a) from about 0.1% to about 30% of one or more colorants; and (b) from about 0.1 to about 99.9% of one or more hybrid polymers. Components other than those listed above may be included in the ink compositions to achieve specific printer, substrate, or end use requirements.Type: GrantFiled: October 25, 1999Date of Patent: April 23, 2002Assignee: Westvaco CorporationInventor: Michael D. Matzinger
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Publication number: 20020043178Abstract: The present invention provides a method for reducing dust deposits on polyolefin films. Further subjects of the invention are the use of a polyetheresteramide for reducing dust deposits on polyolefin films and coextruded multilayer polyolefin films containing a polyetheresteramide at least in one outer layer.Type: ApplicationFiled: August 27, 2001Publication date: April 18, 2002Inventors: Nicola Lelli, Nadi Ergenc
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Patent number: 6372030Abstract: Disclosed is an ink composition comprising (a) an ink vehicle selected from 4-(hexadecylamino)benzylamine, N-octanoyl-N-methyl glucamine, octanoic hydrazide, 4-hexadecyl sulfonyl aniline, or mixtures thereof, (b) a conductive complex of (i) an amine compound with (ii) a phosphorus-containing acid or acid salt or a sulfur-containing acid or acid salt, (c) a colorant, (d) an optional amine compound viscosity modifier, (e) an optional antioxidant, and (f) an optional UV absorber.Type: GrantFiled: August 3, 2000Date of Patent: April 16, 2002Assignee: Xerox CorporationInventors: Shadi L. Malhotra, Raymond W. Wong, Marcel P. Breton
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Patent number: 6355770Abstract: Compositions comprising: (a) from about 51% to about 99.9% by weight of a polyamide resin component; and (b) from about 0. 1% to about 49% by weight of a wax component, wherein the polyamide resin component comprises a reaction product obtained by reaction of a dimerized fatty acid reactant, a carboxylic acid reactant and a diamine reactant, are disclosed for use in thermographic printing. The polyamide resin/wax component compositions disclosed herein exhibit decreased bloom and enhanced scratch/scuff resistance.Type: GrantFiled: March 30, 2000Date of Patent: March 12, 2002Assignee: Cognis CorporationInventors: Timothy C. Vogel, Sobhy El-Hefnawi
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Patent number: 6350305Abstract: A polymeric furanone magenta colorant is disclosed that contains a furanone magenta chromophore having a furanone adduct, the adduct containing at least one alkoxylated phenyl radical, the chromophore further being derived from at least one aromatic aldehyde having a para-nitrogen and containing electron donating groups selected from the group consisting of alkyls, cycloalkyls, and oligomers or polymers derived from alkyleneoxy or aryleneoxy moieties. The colorant can be utilized in resins, waxes and inks.Type: GrantFiled: October 8, 1999Date of Patent: February 26, 2002Assignee: Xerox CorporationInventors: Clifford R. King, Jeffery H. Banning
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Publication number: 20020016480Abstract: Solid inks and toners contain at least one colorant that includes at least one substituted-9,10-anthraquinone compound, substituted with at least one monofunctional amine. The colorant can be formed very efficiently, and the product can be used in desirable image formation methods.Type: ApplicationFiled: August 24, 2001Publication date: February 7, 2002Applicant: Xerox CorporationInventors: Donald R. Titterington, Jeffery H. Banning
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Patent number: 6336963Abstract: Disclosed is an ink composition comprising (a) an ink vehicle comprising a first nitrile compound having a first viscosity at a melt temperature, said melt temperature being at least about 60° C. and said melt temperature being no more than about 150° C., (b) a viscosity modifier comprising a second nitrile compound having a second viscosity at the melt temperature, said second viscosity being lower than said first viscosity, (c) a colorant, (d) an optional polymer comprising a polyester extended with a diisocyanato alkane, (e) an optional conductivity enhancing agent, (f) an optional antioxidant, and (g) an optional UV absorber.Type: GrantFiled: August 3, 2000Date of Patent: January 8, 2002Assignee: Xerox CorporationInventors: Shadi L. Malhotra, Raymond W. Wong, Marcel P. Breton
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Patent number: 6334890Abstract: An ink composition containing (1) an oxazoline compound with, for example, a melting point of from about above 60° C. to about 120° C. and with, for example, an acoustic-loss value of from about 25 to about 80 dB/mm; (2) a carbamate; (3) an alcohol compound; (4) a lightfastness component; (5) a lightfastness antioxidant; and (6) a colorant.Type: GrantFiled: June 22, 2000Date of Patent: January 1, 2002Assignee: Xerox CorporationInventors: H. Bruce Goodbrand, Danielle C. Boils, Pudupadi R. Sundararajan, Raymond W. Wong, Marcel P. Breton, Shadi L. Malhotra, Carl P. Tripp
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Patent number: 6331203Abstract: An aqueous ink for a ball-point pen which is stable over time and has high pigment dispersion stability, includes a pigment, a water-soluble organic solvent, water, xanthane gum of about 0.01 to about 0.2 wt. % and a sodium alginate of about 0.2 to about 0.6 wt. % of a total amount of the ink.Type: GrantFiled: April 30, 2001Date of Patent: December 18, 2001Assignee: Kotobuki & Co., Ltd.Inventors: Katsuya Hattori, Akio Nakamura, Mikio Morishita
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Patent number: 6328793Abstract: Disclosed is an ink composition comprising (a) a benzoyl benzamide compound; (b) a viscosity-modifying benzoyl-group-containing compound; (c) a colorant; and (d) an optional conductivity enhancing agent.Type: GrantFiled: August 3, 2000Date of Patent: December 11, 2001Assignee: Xerox CorporationInventors: Shadi L. Malhotra, H. Bruce Goodbrand
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Patent number: 6319310Abstract: Disclosed is a phase change ink comprising (a) a carbamate or thiourea, said carbamate or thiourea having a melting point of no higher than about 120° C. and an acoustic loss value of no more than about 100 decibels per millimeter, (b) a colorant, (c) a branched hydrocarbon with a number average molecular weight of no more than about 10,000 and a melting point or softening point of no more than about 120° C., (d) an optional plasticizer, (e) an optional alcohol having a melting point of less than about 90° C. and an acoustic loss value of no more than about 100 decibels per millimeter, (f) an optional lightfastness-imparting agent, and (g) an optional antioxidant.Type: GrantFiled: May 22, 2000Date of Patent: November 20, 2001Assignee: Xerox CorporationInventors: Raymond W. Wong, Marcel P. Breton, Shadi L. Malhotra
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Patent number: 6309453Abstract: The invention includes colorless compounds having a central core and at least two arms extending from the core. The core can comprise one or more atoms. The at least two arms have the formula In such formula, Z is a segment of one or more atoms; j is an integer from 1 to about 300 and can be different at one of the at least two arms than at another of the at least two arms; Q is an alkyl or aryl group and can vary amongst different alkyl and aryl groups within the colorless compound; and n is an integer greater than 1 and can be different at one of the at least two arms than at another of the at least two arms. In other aspects, the invention encompasses phase change inks incorporating the above-described colorless compound as toughening agent, and methods of printing with such phase change inks.Type: GrantFiled: September 20, 1999Date of Patent: October 30, 2001Assignee: Xerox CorporationInventors: Jeffrey H. Banning, Donald R. Titterington, Wolfgang G. Wedler
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Patent number: 6306203Abstract: Disclosed is a phase change ink composition comprising (a) a nonpolymeric ester compound ink vehicle having a melting point of at least about 60° C.; (b) a conductivity enhancing agent; (c) a colorant; (d) an optional antioxidant, and (e) an optional UV absorber.Type: GrantFiled: August 28, 2000Date of Patent: October 23, 2001Assignee: Xerox CorporationInventors: Shadi L. Malhotra, Raymond W. Wong, Marcel P. Breton
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Patent number: 6287373Abstract: An ink composition containing, for example, (1) an oxazoline compound; (2) a thiourea compound; (3) an oxime compound; (4) a lightfastness compound; (5) an antioxidant; and (6) a colorant.Type: GrantFiled: June 22, 2000Date of Patent: September 11, 2001Assignee: Xerox CorporationInventors: Shadi L. Malhotra, Raymond W. Wong, Marcel P. Breton
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Patent number: 6280510Abstract: An ink composition for a meltable ink usable in a printing apparatus in which ink droplets are ejected from ink ducts, the ink composition containing an amorphously solidifying monomer compound, which compound shows a crystallinity of less than 1% when a melt of the compound is cooled at a rate of 5° C./min to past its solidification path and is then heated at a rate of 20° C./min to above its melting temperature. The monomer compound can be used in a binder for the ink composition. When inks of this kind are transferred to a receiving material, it results in greater stability in the printed layers, with respect to gum, scratch, fold resistance and transparency.Type: GrantFiled: July 26, 1999Date of Patent: August 28, 2001Assignee: Oce-Technologeis B.V.Inventors: Erik Kelderman, Roelof Hendrik Everhardus, Nicolina M. Kortenhoeven
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Patent number: 6270561Abstract: Disclosed herein is a novel hot melt ink comprising a colorant ink and an ink vehicle wherein the ink vehicle comprises at least one polyhedral silsesquioxane compound present in a proportion of about 0.1 to 30 wt % based on the total weight of the hot melt ink composition.Type: GrantFiled: November 29, 1999Date of Patent: August 7, 2001Assignee: American Dye Source, Inc.Inventor: My T. Nguyen
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Patent number: D483403Type: GrantFiled: June 19, 2001Date of Patent: December 9, 2003Assignee: Océ-Technologies B.V.Inventors: Peter Joseph Hollands, Wilhelmus Antonius Maria Schreurs, Guido Gerardus Willems, Antonius Johannes Jozef Van Gerven, Reinier Jan Ramekers