Patents Examined by Pamela R. Schwartz
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Patent number: 7416639Abstract: Disclosed herein is a recording medium comprising an alumina hydrate having an average pore radius of 20 to 200 ? and a half breadth of pore radius distribution of 20 to 150 ?.Type: GrantFiled: September 10, 2003Date of Patent: August 26, 2008Assignee: Canon Kabushiki KaishaInventors: Hitoshi Yoshino, Kyo Miura, Yuji Kondo
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Patent number: 7387381Abstract: An ink jet recording sheet having a porous ink receiving layer is disclosed. The porous ink receiving layer contains a compound which has a plural number of non-aromatic carbon-carbon unsaturated bonds in a molecule, inorganic particles and a hydrophilic binder. An image forming method employing the ink jet recording sheet and a water-base ink is also disclosed.Type: GrantFiled: September 3, 2003Date of Patent: June 17, 2008Assignee: Konica CorporationInventors: Eisaku Katoh, Atsushi Tomotake, Masayuki Ushiku
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Patent number: 7335407Abstract: The present invention comprises an inkjet recording element comprising a support having thereon at least two ink receiving layers capable of accepting an inkjet image, at least one of said layers comprising porous polyester particles. The present invention also includes a method of forming an inkjet print comprising providing an inkjet recording element comprising at least two ink receiving layers capable of accepting an inkjet image, at least one of said layers comprising porous polyester particles and printing on said inkjet recording element utilizing an inkjet printer.Type: GrantFiled: December 20, 2001Date of Patent: February 26, 2008Assignee: Eastman Kodak CompanyInventors: Christine J. Landry-Coltrain, Jeffrey W. Leon, Linda M. Franklin, Xiaoru Wang
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Patent number: 7255901Abstract: A recording medium for ink, capable of rapidly absorbing large amounts of ink, showing excellent color forming ability and capable of suppressing image deterioration caused by dye displacement that occurs when an image is stored in humid conditions and image deterioration caused by light when a printed image is displayed, and providing a printed image showing excellent long-term stability. The invention also provides a recording medium for ink having at least one layer provided on a substrate, and an ink receiving layer containing alumina hydrate as an outermost layer. A surface of the substrate at least on the side of the ink receiving layer is subjected to a cationizing treatment. An undercoat layer is provided on the same side as the cationizing treatment, to obtain cations in a predetermined distribution. The outermost ink receiving layer is provided on the undercoat layer.Type: GrantFiled: October 6, 2003Date of Patent: August 14, 2007Assignee: Canon Kabushiki KaishaInventors: Kenichi Yamaguchi, Shigehira Iida, Tsuyoshi Santo, Yuji Kondo, Motoaki Sato
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Patent number: 7250202Abstract: A recording sheet for ink jet printing comprising a support onto which is coated at least one ink receiving layer and includes a porous inorganic oxide and an aliphatic hydroxycarboxylic acid with at least 2 C atoms.Type: GrantFiled: June 18, 1999Date of Patent: July 31, 2007Inventor: Rolf Steiger
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Patent number: 7238399Abstract: An ink jet recording medium and its manufacturing method are disclosed, the medium comprising a substrate and provided thereon, plural ink absorption layers including an upper layer containing inorganic pigment and thermoplastic particles, wherein the content by weight of the inorganic pigment is greater than that of the thermoplastic particles.Type: GrantFiled: January 25, 2002Date of Patent: July 3, 2007Assignee: Konica CorporationInventors: Hidenobu Ohya, Shuji Kida, Atsushi Tomotake, Shinichi Suzuki, Makoto Kaga
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Patent number: 7223454Abstract: An image recording element having a support having thereon an image-receiving layer, the recording element containing core/shell particles wherein the shell of the particles is an oligomeric or polymeric aluminosilicate complex or an aluminosilicate particulate, the complex and the particulate having a positive charge and being counter balanced by an anion.Type: GrantFiled: July 18, 2003Date of Patent: May 29, 2007Assignee: Eastman Kodak CompanyInventors: Joseph F. Bringley, Olivier Jean Poncelet, Gérard Friour, Lori Shaw-Klein
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Patent number: 7217447Abstract: An ink-jet recording sheet including a color material receiving layer on a substrate. The color material receiving layer contains a compound represented by the following general formula (I), In the general formula (I), R1 and R2 each independently represent a hydrogen atom, an aliphatic group, an aromatic group, a heterocyclic group, —COR3, —COOR4, —SO2—R5, or —N(R6)R7. R3 and R5 each independently represent a hydrogen atom, an aliphatic group, an aromatic group, a heterocyclic group, or —N(R8)R9. R4 represents a hydrogen atom, an aliphatic group, an aromatic group, or a heterocyclic group. R6 to R9 each independently represent a hydrogen atom, an aliphatic group, an aromatic group, an acyl group, an alkoxy carbony group, an aryloxy carbonyl group, a carbamoyl group, an alkyl sulfonyl group, an aryl sulfonyl group, or a sulfamoyl group. R1 and R2 may link with each other so as to form a ring.Type: GrantFiled: October 22, 2002Date of Patent: May 15, 2007Assignee: Fujifilm CorporationInventors: Masanobu Takashima, Kozo Nagata, Hisao Yamada, Kazuyuki Koike, Kousaku Yoshimura
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Patent number: 7198837Abstract: An image forming method comprises a step of reacting an ink containing a coloring material with a liquid composition containing fine particles reactive to the coloring material on a recording medium, where the reaction between the coloring material and the fine particles occurs in a liquid, the coloring material is adsorbed on the surfaces of the fine particles while keeping the monomolecular state as in the ink, and the fine particles having the coloring material on the surface aggregate each other. This method can provide images of high optical density and high color saturation, with less occurrence of white stripes in the image.Type: GrantFiled: November 9, 2000Date of Patent: April 3, 2007Assignee: Canon Kabushiki KaishaInventors: Makiko Endo, Yutaka Kurabayashi, Kentaro Yano, Yuji Kondo, Masao Kato, Hiroshi Tomioka, Mitsuhiro Ono
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Patent number: 7150901Abstract: An inkjet recording element comprising a porous ink-receiving layer having interconnecting voids is disclosed in which an upper surface of the ink-receiving layer has been subjected to plasma treatment, and wherein the upper surface of the ink-receiving layer, prior to the plasma treatment, has a measured carbon elemental content of at least 40 percent. The invention can provide increased dot spread.Type: GrantFiled: December 5, 2003Date of Patent: December 19, 2006Assignee: Eastman Kodak CompanyInventors: Bruce C. Campbell, Lisa B. Todd, James A. Reczek, Mary Catherine S. Oldfield, Hengzhong K. Zhuang
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Patent number: 7147901Abstract: The object of the present invention is to obtain a double-side ink jet recording sheet at least one side of which has gloss surface and in which scratches caused by rubbing of sheets hardly occur. According to the present invention, there is obtained a double-side ink jet recording sheet comprising a support provided with at least one ink-receiving layer on each of both sides, wherein at least one side has a gloss surface having a 75° specular glossiness of not less than 40% and the ink-receiving layer on the side opposite to the side having gloss surface contains organic particles having an average particle diameter of 2–40 ?m. The outermost layer of the side having the gloss surface is preferably formed by subjecting to pressure-contact specular finishing by cast-coating method.Type: GrantFiled: October 29, 2002Date of Patent: December 12, 2006Assignee: Mitsubishi Paper Mills LimitedInventors: Kunio Kasamatsu, Katsuhiko Kawasaki, Suguru Kashima
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Patent number: 7144613Abstract: In a recording medium having a porous ink-receiving layer containing alumina hydrate of boehmite structure formed on a base material, the alumina hydrate has crystallinity ranging from 15 to 80 and microcrystals of the alumina hydrate are directed to be parallel to a plane direction of the ink-receiving layer at a parallelization degree of not less than 1.5. The recording medium is employed in an ink-jet recording method conducting printing by ejecting ink droplets through an orifice onto the recording medium. A process for producing the recording medium comprises the steps of: applying a coating liquid containing alumina hydrate of boehmite structure with shearing stress onto a base material; and drying the coated material to obtain a degree of parallelization of a microcrystal of the alumina hydrate with a plane direction of the ink-receiving layer of not less than 1.5.Type: GrantFiled: November 19, 1997Date of Patent: December 5, 2006Assignee: Canon Kabushiki KaishaInventors: Takeo Eguchi, Kyo Miura, Hitoshi Yoshino
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Patent number: 7138162Abstract: An ink jet recording element including a support having thereon an image-receiving layer, the ink jet recording element containing a metal hydroxide salt, (M2+)(OH)a(Ap?)b.xH2O; wherein: M2+ is at least one metal ion having a 2+ oxidation state; A is an organic or inorganic anion; p is 1 or 2; and x is equal to or greater than 0; and a and b comprise rational numbers as follows: 0<a<2 and 0<b<2 so that the charge of M2+ is balanced.Type: GrantFiled: June 26, 2002Date of Patent: November 21, 2006Assignee: Eastman Kodak CompanyInventors: Krishamohan Sharma, Christine Landry-Coltrain, Joseph F. Bringley
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Patent number: 7122231Abstract: An ink jet recording element comprising a support having thereon an image-receiving layer, the ink jet recording element containing finely divided particulate material and a metal(oxy)hydroxide complex, Mn+(O)a(OH)b(Ap?)c.xH2O, wherein M is at least one metal ion; n is 3 or 4; A is an organic or inorganic ion; p is 1, 2 or 3; and x is equal to or greater than 0; with the proviso that when n is 3, then a, b and c each comprise a rational number as follows: 0?a<1.5; 0<b<3; and 0?pc<3, so that the charge of the M3+ metal ion is balanced; and when n is 4, then a, b and c each comprise a rational number as follows: 0?a<2; 0<b<4; and 0?pc<4, so that the charge of the M4+ metal ion is balanced.Type: GrantFiled: June 26, 2002Date of Patent: October 17, 2006Assignee: Eastman Kodak CompanyInventors: Krishamohan Sharma, Joseph F. Bringley, Christine Landry-Coltrain
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Patent number: 7105214Abstract: Disclosed is a recording sheet which comprises a substrate and an additive material selected from the group consisting of pyrrole compounds, pyrrolidine compounds, pyridine compounds, piperidine compounds, homopiperidine compounds, quinoline compounds, isoquinoline compounds, quinuclidine compounds, indole compounds, indazole compounds, and mixtures thereof.Type: GrantFiled: August 26, 2002Date of Patent: September 12, 2006Assignee: Xerox CorporationInventor: Shadi L. Malhotra
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Patent number: 7105215Abstract: An ink jet recording element comprising a support having thereon an image-receiving layer, the ink jet recording element containing a metal(oxy)hydroxide complex, Mn+(O)a(OH)b(Ap?)c•xH2O, wherein M is at least one metal ion; n is 3 or 4; A is an organic or inorganic ion; p is 1, 2 or 3; and x is equal to or greater than 0; with the proviso that when n is 3, then a, b and c each comprise a rational number as follows: 0?a<1.5; 0<b<3; and 0?pc<3, so that the charge of the M3+ metal ion is balanced; and when n is 4, then a, b and c each comprise a rational number as follows: 0?a<2; 0<b<4; and 0?pc<4, so that the charge of the M4+ metal ion is balanced.Type: GrantFiled: June 26, 2002Date of Patent: September 12, 2006Assignee: Eastman Kodak CompanyInventors: Krishamohan Sharma, Joseph F. Bringley, Paul B. Merkel, Deepak Shukla, Christine Landry-Coltrain
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Patent number: 7090902Abstract: An ink jet recording material is disclosed comprising a support and at least one binder containing ink-receiving layer, further containing a light-stabilizing compound according to following general formula (I): A-L-R??(I) wherein, A is represented by following formula: the symbols of which are defined in the claims and description. The finished ink jet image shows an improved light-fastness.Type: GrantFiled: September 8, 2003Date of Patent: August 15, 2006Assignee: AGFA-GEVAERTInventors: Johan Loccufier, Stefaan Lingier
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Patent number: 7090903Abstract: An ink-jet recording sheet, comprising a support having thereon a porous ink receiving layer, the porous ink receiving layer including inorganic particles, a hydrophilic binder and a polymer, wherein the polymer has a plurality of carbon-carbon unsaturated bonds, provided that the unsaturated bonds are non-aromatic; the polymer has a recurring unit derived from butadiene or isoprene.Type: GrantFiled: September 26, 2003Date of Patent: August 15, 2006Assignee: Konica CorporationInventors: Eisaku Katoh, Atsushi Tomotake, Toshihiko Iwasaki, Masayuki Ushiku, Junji Ito, Yukako Taka
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Patent number: 7083836Abstract: An ink jet recording element comprising a support having thereon, in order, a hydrophilic absorbing layer and a polymeric overcoat layer comprising particles of a substantially amorphous synthetic aluminosilicate. Such recording elements exhibit improved humidity keeping and smudge resistance, while maintaining good differential gloss.Type: GrantFiled: November 10, 2003Date of Patent: August 1, 2006Assignee: Eastman Kodak CompanyInventors: Charles E. Romano, Jr., Richard J. Kapusniak, Lori J. Shaw-Klein, Terry C. Schultz, Peter J. Ghyzel
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Patent number: 7060342Abstract: Provided is a recording medium comprising an ink-receiving layer provided on at least one face of a base material, wherein a surface of the ink-receiving has the maximum specular glossiness within a measurement angle range of from 20° to 60°.Type: GrantFiled: June 1, 2001Date of Patent: June 13, 2006Assignee: Canon Kabushiki KaishaInventors: Kenichi Moriya, Mamoru Sakaki, Kazuo Iwata, Akio Kashiwazaki