Specified Vehicle, Solvent, Or Dispersing Medium Containing Patents (Class 106/31.85)
  • Patent number: 10189936
    Abstract: Provided is a block copolymer with an acid group that, when used as a dispersant, can provide a dispersion composition having excellent dispersion stability, a dispersant containing the block copolymer, and a pigment dispersion composition using the dispersant. The block copolymer is an ABA block copolymer including an A block and a B block and has the feature that its acid value is 30 to 250 mgKOH/g and the B block contains a structural unit derived from a vinyl monomer with an acid group.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: January 29, 2019
    Assignee: OTSUKA CHEMICAL CO., LTD.
    Inventor: Satoru Masumoto
  • Patent number: 10023761
    Abstract: Disclosed is a coating composition comprising a resinous binder prepared from a reaction mixture comprising (a) a first component; (b) a second component; and (c) a third component comprising a block copolymer having (i) a first block comprising units having functional groups reactive with at least one of the first and second components and (ii) a second block comprising units having functional groups that promote adhesion to a polymeric substrate, provided that the first component, the second component, and the block copolymer differ from each other. The block copolymer may also be used as an additive in a coating composition.
    Type: Grant
    Filed: June 29, 2015
    Date of Patent: July 17, 2018
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Wei Wang, Hongying Zhou, Kurt Gordon Olson, Jonathan Thomas Martz, Richard Alan Janoski, Sr., Leigh Ann Humbert, David Robert Fenn, Terri Lynn Ziegler
  • Patent number: 9718973
    Abstract: An ultraviolet curable composition includes a polymerizable compound and is stored in a storage body, in which an amount of water is greater than or equal to 0.05 mass % and less than or equal to 1.0 mass % with respect to a total amount of the ultraviolet curable composition, a content of at least one metal element selected from a group consisting of Li, Na, K, Ag, Mg, Ca, Ba, Zn, Fe, Sn, Al, and Zr is greater than or equal to 10 ppm by mass, and a content of each metal element included in the group is less than or equal to 250 ppm by mass.
    Type: Grant
    Filed: March 10, 2015
    Date of Patent: August 1, 2017
    Assignee: Seiko Epson Corporation
    Inventors: Hiroaki Kida, Tetsuya Aoyama, Keitaro Nakano, Hitoshi Tsuchiya, Toshiyuki Yoda
  • Patent number: 9199184
    Abstract: The present invention relates to modified clay sorbents which may be used as sorbents for chemical compounds. In addition, the present invention also relates to the use of modified clay sorbents for the sorption of chemical compounds. The modified clay sorbents of the present invention have particular application for the sorption of anionic and/or hydrophobic compounds.
    Type: Grant
    Filed: June 9, 2011
    Date of Patent: December 1, 2015
    Assignee: CRC CARE Pty Ltd
    Inventors: Megharaj Mallavarapu, Ravendra Naidu, Yunfei Xi, Binoy Sarkar
  • Patent number: 9039823
    Abstract: A coating liquid comprising: an oxazoline group-containing resin; an alkanediol having 7 or more carbon atoms; a surfactant; and water.
    Type: Grant
    Filed: July 25, 2012
    Date of Patent: May 26, 2015
    Assignee: Seiko Epson Corporation
    Inventors: Shuichi Koganehira, Shinichi Yamamoto
  • Patent number: 8979990
    Abstract: The invention relates to a composition containing a polyepoxide with polyether lateral chains and pendant hydrocarbyl groups. The invention further relates to a composition containing a particulate solid, an organic or aqueous medium, and a polyepoxide with polyether lateral chains and pendant hydrocarbyl groups. The invention further relates to novel compounds, and the use of the polyepoxide with polyether lateral chains and pendant hydrocarbyl groups as a dispersant.
    Type: Grant
    Filed: April 15, 2011
    Date of Patent: March 17, 2015
    Assignee: Lubrizol Advanced Materials, Inc.
    Inventors: Andrew J. Shooter, Stuart N. Richards
  • Patent number: 8952078
    Abstract: This invention relates to a printing ink and in particular to an ink for ink-jet printing which is cured by irradiation. The ink comprises at least one radiation-curable monomer; at least one passive thermoplastic resin; at least one radical photoinitiator; and at least one colouring agent; wherein the ink has a viscosity of less than 100 mPas at 25° C., and wherein the at least one passive resin is present at 2 to 15 wt % based on the total weight of the ink and has a molecular weight of 1,500 to 70,000.
    Type: Grant
    Filed: July 4, 2007
    Date of Patent: February 10, 2015
    Assignee: Sericol Limited
    Inventor: Nigel Paul Gould
  • Patent number: 8895639
    Abstract: An ink set is provided which includes a first ink containing a first pigment, water, and a glycol ether having an HLB value, measured by Davies method, in the range of 4.2 to 8.0, and a second ink substantially not containing the glycol ether. The second ink contains a second pigment and water.
    Type: Grant
    Filed: December 10, 2012
    Date of Patent: November 25, 2014
    Assignee: Seiko Epson Corporation
    Inventors: Takeshi Yano, Tetsuya Aoyama, Shoki Kasahara
  • Patent number: 8859640
    Abstract: The present invention is to provide a coloring ink for an electrical wire to prevent a color irregularity. A coloring ink is ejected to an outer surface of an electrical wire with a certain amount of the ink to form a mark. The coloring ink contains 100 parts by weight of an ink material, which contains a solvent, an acrylic resin, and a coloring material, and 5-15 parts by weight of an aqueous PVA solution. A concentration of the aqueous PVA solution is 10-15 %.
    Type: Grant
    Filed: June 26, 2007
    Date of Patent: October 14, 2014
    Assignee: Yazaki Corporation
    Inventors: Takeshi Kamata, Keigo Sugimura
  • Patent number: 8757787
    Abstract: A treatment solution for ink-jet recording includes water; and basic amino acid or a salt thereof which is contained in the treatment solution in an amount of not less than 1% by weight.
    Type: Grant
    Filed: January 30, 2012
    Date of Patent: June 24, 2014
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Masahiro Nishizaki, Mitsunori Maeda, Ayako Ohishi
  • Publication number: 20140168314
    Abstract: An aqueous ink for ink jet contains a self-dispersible pigment in which a first functional group including a phosphonic acid group and a second functional group including at least one of a carboxylic acid group and a sulfonic acid group are bonded to a particle surface, wherein a surface charge amount derived from the phosphonic acid group included in the above-described first functional group is 0.3 micromoles/m2 or more, a total surface charge amount derived from the carboxylic acid group and the sulfonic acid group included in the above-described second functional group is 1.0 micromoles/m2 or more, and a total surface charge amount derived from anionic groups included in the above-described first functional group and the above-described second functional group is 2.0 micromoles/m2 or more and 8.0 micromoles/m2 or less.
    Type: Application
    Filed: May 7, 2013
    Publication date: June 19, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Kenji Moribe, Arihiro Saito, Yuki Nishino, Kuniaki Fujimoto, Satoshi Kudo
  • Publication number: 20140113114
    Abstract: The present disclosure is drawn to an ink sets, printed articles, and related methods. The ink set can comprise a pre-treatment ink and a reflective ink. The pre-treatment ink can comprise a first liquid vehicle and inorganic pigment particles having an average particle size ranging from 20 nm to 300 nm and a refractive index of less than 2. The reflective ink can comprise a second liquid vehicle and metal oxide particles having an average particle size from 3 nm to 180 nm, wherein the average particle size of the metal oxide particles is smaller than the average particle size of the inorganic pigment particles. The reflective ink is formulated to have a metallic luster when overprinted on pre-treatment ink.
    Type: Application
    Filed: October 24, 2012
    Publication date: April 24, 2014
    Applicant: Hewlett-Packard Development Company, LP
    Inventors: Vladek Kasperchik, Pavel Komilovich, Xiaoqi Shou
  • Publication number: 20140092168
    Abstract: An ink set for inkjet recording includes: an ink composition including a pigment, a water-soluble polymerizable compound, and water; and a maintenance liquid that has a pH higher than 8.5 and that includes water and a water-soluble organic solvent having an SP value higher than 27.5 MPa1/2, the amount of water contained in the maintenance liquid being 50% by mass or more with respect to the total amount of the maintenance liquid, the amount of water-soluble organic solvent contained in the maintenance liquid having an SP value higher than 27.5 MPa1/2 being from 5 to 30% by mass with respect to the total amount of the maintenance liquid, and the amount of water-soluble organic solvent contained in the maintenance liquid having an SP value of 27.5 MPa1/2 or lower being less than 5% by mass with respect to the total amount of the maintenance liquid.
    Type: Application
    Filed: September 2, 2013
    Publication date: April 3, 2014
    Applicant: FUJIFILM CORPORATION
    Inventors: Orie ITO, Kaoru TOJO
  • Patent number: 8669318
    Abstract: An oil-based ink composition comprising a colorant, an organic solvent and a polymeric compound, and optionally an alkylamine ethylene oxide derivative as a pH adjusting agent, in which the pH of an aqueous phase is from 5.5 to 10, when ions in the ink composition are transferred to water. This oil-based ink composition prevents corrosion of a nozzle plate and is improved in storage stability, and thus can ensure printer reliability such as ink-jet stability obtainable even after long storage thereof, and can withstand outdoor service environments.
    Type: Grant
    Filed: March 14, 2007
    Date of Patent: March 11, 2014
    Assignee: Hitachi Maxell, Ltd.
    Inventors: Tomohisa Nishimoto, Miyuki Dobata, Kanryo Terasawa
  • Patent number: 8657944
    Abstract: The present invention pertains to an aqueous inkjet ink comprising pigment stabilized to dispersion with anionic dispersant, wherein cations present in the ink comprise a mixture, in a certain molar ratio, of lithium and one or more of sodium, potassium, rubidium and/or cesium. The inks exhibit greatly extended latency.
    Type: Grant
    Filed: April 16, 2008
    Date of Patent: February 25, 2014
    Assignee: E I du Pont de Nemours and Company
    Inventor: Christian Jackson
  • Publication number: 20140016179
    Abstract: A compound is disclosed. The compound has a general structure: wherein R1, R2, and R3 are each independently selected from the group consisting of hydrogen, substituted saturated hydrocarbons, non-substituted saturated hydrocarbons, substituted unsaturated hydrocarbons, and non-substituted unsaturated hydrocarbons; wherein E and D are each independently selected from the group consisting of CH2, O, S, and NH; and wherein a, b, x, y, and z are each independently any whole number between 0 and 45, inclusive, wherein the sum of a and b is less than 45 or equal to 45 and wherein the sum of x, y, and z is less than 45 or equal to 45.
    Type: Application
    Filed: July 12, 2012
    Publication date: January 16, 2014
    Inventors: Zhang-Lin Zhou, Qin Liu
  • Patent number: 8623938
    Abstract: An inkjet ink includes carbon nanotubes, flake graphites, an organic carrier, a binder, a surfactant, a film enhancer and a solvent. A method for making an inkjet ink includes dispersing the plurality of carbon nanotubes in the surfactant solvent to form a first mixture, dispersing the plurality of flake graphites in the organic carrier solvent to form a second mixture, adding the film enhancer into the second mixture to form a third mixture, and mixing the first mixture and the third mixture.
    Type: Grant
    Filed: September 2, 2011
    Date of Patent: January 7, 2014
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Hai-Yan Hao, Bing-Chu Du, Chun-Hai Zhang, Shou-Shan Fan
  • Patent number: 8556401
    Abstract: An inject recording method, including: spraying droplets of an ink composition that contains organic solvent, resin, and a pigment dispersion containing a metal pigment, wherein the metal pigment contains plate-like particles, and in the case where the longitudinal diameter on the planar surface of the plate-like particle is X, the lateral diameter is Y, and the thickness is Z, the 50% average particle diameter R50 of a corresponding circle determined from the surface area in the X-Y plane of the plate-like particle is between 0.5 and 3 ?m, and the condition R50/Z>5 is satisfied; and causing the droplets to adhere to a recording medium.
    Type: Grant
    Filed: December 19, 2007
    Date of Patent: October 15, 2013
    Assignee: Seiko Epson Corporation
    Inventors: Takashi Oyanagi, Keitaro Nakano
  • Patent number: 8492456
    Abstract: The present invention provides ink compositions for ink-jet printing. The ink compositions comprise by weight from about 0.1 to 5% by weight of a water-soluble polyurethane; from about 0.1 to 15% by weight of a 1,2-alkyldiol having 5-9 carbon atoms; and from about 0.5 to 6% by weight of a pigment. The present invention also provides a process for printing an image on a print medium that comprises applying an inventive ink composition thereto by means of an ink-jet printer. The present invention further provides ink-jet cartridges containing inventive ink compositions.
    Type: Grant
    Filed: February 9, 2004
    Date of Patent: July 23, 2013
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Xiaohe Chen, George M. Sarkisian
  • Publication number: 20130088553
    Abstract: The present disclosure is directed to a pigment preparation comprising aluminum effect pigments, a solvent and at least one additive, wherein the aluminium effect pigments have a d98 value of the volume averaged particle size distribution curve of less than 15 ?m, the at least one additive is a phosphorous containing additive, and the solvent has a viscosity equal to or more than 1.8 mPa's at 25° C. The disclosure is further directed to an ink jet printing ink as well the use thereof.
    Type: Application
    Filed: November 21, 2012
    Publication date: April 11, 2013
    Applicant: ECKART GMBH
    Inventor: ECKART GMBH
  • Patent number: 8414696
    Abstract: A non-aqueous pigment ink which enables the ink repellency of the nozzle plate surface of the print head to be favorably maintained, while also enabling a superior image density to be obtained. The non-aqueous pigment ink includes a pigment, a pigment dispersant and a non-aqueous solvent, wherein the ink comprises a copolymer of vinylpyrrolidone and an alkene of 10 to 40 carbon atoms as the pigment dispersant, and also comprises a pigment derivative.
    Type: Grant
    Filed: August 4, 2010
    Date of Patent: April 9, 2013
    Assignee: Riso Kagaku Corporation
    Inventors: Masakatsu Arai, Shin-Ichirou Shimura
  • Patent number: 8389601
    Abstract: The invention is to provide a metal ink composition for ink-jet and more particularly, a metal ink composition which causes no formation of cracks on a PCB substrate, allows a low curing temperature, and provides improved adhesive strength even after coating.
    Type: Grant
    Filed: December 11, 2009
    Date of Patent: March 5, 2013
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Tae-Hoon Kim, Dong-Hoon Kim, Byung-Ho Jun, Joon-Rak Choi, Young-Kwan Seo, Young-Il Lee
  • Patent number: 8367751
    Abstract: A solid ink that includes an ink carrier and a resinous compound of the formulas or a salt thereof, wherein G1 is —X1C(O)OR1, —X2OC(O)R2, or —X2OH; G2 is R4, R12, —C(O)R2, —C(O)X1C(O)OR1, or —C(O)X2OC(O)R2; R1 is an alkyl having from 10 to 80 carbon atoms; R2 is an alkyl having from 2 to 40 carbon atoms; each R3 and R4 is independently hydrogen, alkyl, arylalkyl or alkylaryl; each R5 and each R6 is independently hydrogen or alkyl; X1 and X2 are both a straight or branched alkylene group; t1 is 1 to 20; t2 and t3 is independently 0 to 20; u1 is 1 to 30; u2 and u3 is independently 0 to 30; each R7 and each R8 is independently hydrogen, alkyl, or alkoxyl; each R9 and each R10 is independently hydrogen, alkyl, or alkoxyl; Ar is a substituted or unsubstituted aromatic moiety; p is 1 to 5; q is 1 to 12; A? is selected from the group consisting of Cl?, Br?, I?, HSO4?, HSO3?, CH3SO3?, NO3?, HCOO?, CH3COO?, H2PO4?, SCN?, ClO4?, SSO3?, PF6?, and SbCl6?; and J is alkyl, arylalkyl, or alkylaryl.
    Type: Grant
    Filed: September 27, 2010
    Date of Patent: February 5, 2013
    Assignee: Xerox Corporation
    Inventors: Maria Birau, C. Geoffrey Allen, Carol A. Jennings, Peter G. Odell
  • Patent number: 8361213
    Abstract: The present invention provides an ink composition comprising pigment particles covered with a water-insoluble resin, resin particles, a water-soluble organic solvent, water, and a solid wetting agent in an amount of 5% by mass or more.
    Type: Grant
    Filed: March 9, 2009
    Date of Patent: January 29, 2013
    Assignee: FUJIFILM Corporation
    Inventor: Kaoru Tojo
  • Patent number: 8362104
    Abstract: The invention relates to a method for the production of a digital printing ink and to the ink thus obtained. The inventive method comprises the following phases consisting in: dispersing pigments in a mixture of oligomers and monomers, including polyol acrylates, with a maximum particle size of 1 micrometer; diluting same with a mixture of monofunctional and multifunctional acrylic monomers until a viscosity of between 10 and 30 centipoise is obtained; introducing a photoinitiator system, which starts the polymerization of the oligomers and monomers from the first phase, in the presence of ultraviolet radiation; and subjecting the resulting ink to a filtration process.
    Type: Grant
    Filed: March 11, 2004
    Date of Patent: January 29, 2013
    Assignee: Chimigraf Iberica, SL
    Inventor: Antonio López Muñoz
  • Patent number: 8329814
    Abstract: Briefly described, embodiments of this disclosure include ink formulation and modified pigments. One exemplary modified pigment, among others, includes a pigment A represented by the formula in FIG. 3.
    Type: Grant
    Filed: March 22, 2010
    Date of Patent: December 11, 2012
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Zeying Ma, Gregg A. Lane, Yuan Yu, Xiaohe Chen, George M. Sarkisian
  • Patent number: 8313571
    Abstract: The present invention is directed to a printable composition, comprising: 0.5 to 60 wt % of a polymer selected from the group consisting of epoxy, Novolac and poly(dimethylglutarimide); and 40-99.5 wt % of a solvent composition comprising (1) a high boiling point solvent having a flash point greater than about 10° C. and a boiling point greater than about 130° C. and (2) a low boiling point solvent having a flash point less than 30° C. and a boiling point less than or equal to 130° C., all weight percents based on the total weight of the composition. The present invention is also directed to methods of forming patterned substrates using the above compositions. The compositions of the invention are useful for printing electronic materials onto a substrate using a piezo-electric printer.
    Type: Grant
    Filed: September 15, 2008
    Date of Patent: November 20, 2012
    Assignee: MicroChem Corp.
    Inventors: Daniel J. Nawrocki, Jeremy V. Golden
  • Patent number: 8313173
    Abstract: The present invention is directed to a printable composition, comprising: 0.5 to 60 wt % of a polymer selected from the group consisting of epoxy, Novolac and poly(dimethylglutarimide); and 40-99.5 wt % of a solvent composition comprising (1) a high boiling point solvent having a flash point greater than about 10° C. and a boiling point greater than about 130° C. and (2) a low boiling point solvent having a flash point less than 30° C. and a boiling point less than or equal to 130° C., all weight percents based on the total weight of the composition. The present invention is also directed to methods of forming patterned substrates using the above compositions. The compositions of the invention are useful for printing electronic materials onto a substrate using a piezo-electric printer.
    Type: Grant
    Filed: May 6, 2011
    Date of Patent: November 20, 2012
    Assignee: MicroChem Corp.
    Inventors: Daniel J. Nawrocki, Jeremy V. Golden
  • Publication number: 20120285347
    Abstract: The present invention relates to a modified colored pigment comprising a colored pigment having an attached organic group. The organic group is attached to the colored pigment via at least one carbon atom of a C—C single bond or double bond, wherein the C—C single bond or double bond is not a component of an aromatic system. The organic group further comprises at least one activating group on at least one carbon atom of the C—C single bond or double bond. A method of preparing a modified colored pigment is also disclosed, as are aqueous and non-aqueous dispersions, e.g., including ink jet inks, comprising the modified colored pigments.
    Type: Application
    Filed: July 25, 2012
    Publication date: November 15, 2012
    Applicant: CABOT CORPORATION
    Inventors: James A. Belmont, Elizabeth G. Burns
  • Patent number: 8273167
    Abstract: The present invention provides: a pigment dispersion composition including (A) an organic pigment, (B) a pigment derivative represented by Formula (I) below and (C) a polymer compound having a pigment-adsorptive functional group; a curable color composition including the pigment dispersion composition, a polymerizable compound and a polymerization initiator; and a color filter having a color region formed using the curable color composition and a method for producing the same. Q represents an organic colorant residue; A represents an ethylene group or the like; and R represents a hydroxyl group or a group represented by —NH-A-Z; Z represents —SO3H, —COOH or a salt thereof; and n represents an integer of from 1 to 4. When R represents —NH-A-Z, the structures represented by the two —NH-A-Zs bonded to the triazine ring contained in each of the n partial structures bonded to Q may be the same as each other or different from each other.
    Type: Grant
    Filed: October 24, 2008
    Date of Patent: September 25, 2012
    Assignee: FUJIFILM Corporation
    Inventors: Koichi Sugihara, Kazuhiro Fujimaki
  • Patent number: 8198346
    Abstract: The present disclosure provides encapsulated pigments, ink-jet inks incorporating such pigments, and methods for manufacturing such pigments. In one embodiment, an encapsulated pigment can comprise a pigment, an encapsulating polymer that encapsulates the pigment, and a viscosity modifying polymer particulate that is cross-linked and which is dispersed within the encapsulating polymer.
    Type: Grant
    Filed: July 7, 2010
    Date of Patent: June 12, 2012
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventor: Sivapackia Ganapathiappan
  • Patent number: 8173226
    Abstract: A polymerizable compound represented by the following formula (1): wherein, in the formula (1), R1 represents any one of a hydrogen atom, a substituted alkyl group, and an unsubstituted alkyl group; R2 represents an alkylene group; W represents any one of —CO—, —C(?O)O—, —CONH—, —OC(?O)—, and a phenylene group; X represents any one of —CO—, —NHCO—, —OC(?O)—, —CH(OH)CH2—, and —SO2—; R3 and R4 represent a monovalent substituent; R3 and R4 may be bound to each other to form a ring structure; and m and n each independently represent 0 or 1.
    Type: Grant
    Filed: March 20, 2008
    Date of Patent: May 8, 2012
    Assignee: FUJIFILM Corporation
    Inventors: Norihide Shimohara, Hisato Nagase, Shigetomo Tsujihata
  • Patent number: 8163077
    Abstract: The invention relates to an ink-jet ink composition for printing on a ceramic substrate comprising: (a) a liquid vehicle; (b) sub-micron particles of binding composition having a melting point below 6000 C; and (c) sub-micron particles causing an etch-like effect, said sub-micron particles are selected from metal oxide particles, high melting point frit particles, and a combination thereof, said sub-micron particles causing an etch-like effect have a melting point of at least 500 C above the melting point of said sub-micron particles of binding composition. The invention further relates to a printing process using such ink and to a ceramic substrate printed with a pattern or image having an etch-like effect, by means of the printing process.
    Type: Grant
    Filed: September 28, 2006
    Date of Patent: April 24, 2012
    Assignees: Yissum Research Development Company of the Hebrew University of Jerusalem, DIP Tech. Ltd.
    Inventors: Gera Eron, Avi Feinschmidt, Shlomo Magdassi, Yelena Vinetsky, Eliane Liraz
  • Publication number: 20120081778
    Abstract: A pigment-based ink comprises: a non-polar carrier fluid; and pigment particles suspended in the non-polar carrier fluid. The pigment particles are coated with a metal oxide that is modified with at least one silane coupling agent to introduce functional groups, steric stabilizers or both. A combination of an electronic display and an electronic ink is provided, as is a method for modifying the pigment particles.
    Type: Application
    Filed: October 5, 2010
    Publication date: April 5, 2012
    Inventors: Qin Liu, Zhang-Lin Zhou, Tim R. Koch
  • Publication number: 20110292117
    Abstract: An ink set containing a water-based ink for ink jet recording and a treatment liquid. The water-based ink contains a phosphate-group modified self-dispersing pigment, water, and a water-soluble organic solvent. The treatment liquid contains an aggregating agent, water, and a water-soluble organic solvent. A dynamic surface tension of the water-based ink, measured under the condition where a life time is about 50 ms, is in the range of 35 mN/m to 45 mN/m. A dynamic surface tension of the treatment liquid, measured under the condition where a life time is about 50 ms, is in the range of 33 mN/m to 45 mN/m.
    Type: Application
    Filed: March 30, 2011
    Publication date: December 1, 2011
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Kazuma GOTO, Akihiko TANIGUCHI, Shunichi HIGASHIYAMA, Masashi TSUDA, Hiromitsu SAGO, Narumi KOGA, Michiko AOYAMA
  • Publication number: 20110273508
    Abstract: According to one embodiment, an aqueous inkjet ink includes water in an amount of from 35 to 60% by mass of the total amount, an ether in an amount of from 5 to 50% by mass of the total amount, 2,5,8,11-tetramethyl-6-dodecine-5,8-diol in an amount of from 0.2 to 2% by mass of the total amount, and a pigment in an amount of from 3 to 10% by mass of the total amount. The ether includes at least one of polyoxyethylene diglyceryl ether having a weight average molecular weight of not more than 1,000 and polyoxypropylene diglyceryl ether having a weight average molecular weight of not more than 1,000.
    Type: Application
    Filed: April 27, 2011
    Publication date: November 10, 2011
    Applicants: TOSHIBA TEC KABUSHIKI KAISHA, KABUSHIKI KAISHA TOSHIBA
    Inventors: Hiroshi Kiyomoto, Kazuhiko Ohtsu, Takaya Kitawaki
  • Patent number: 8043423
    Abstract: A pigment dispersion liquid capable of stably recording images having high fastness and excellent quality for a long term in any cases has been provided. A pigment dispersion liquid mainly containing a polymer dispersant, a pigment and water, wherein the polymer dispersant is a copolymer comprised of at least a hydrophobic unit and a hydrophilic unit, the hydrophobic unit has a block portion comprised of at least one hydrophobic monomer, the hydrophilic unit has at least a repeating unit structure of an acrylamide structure of the following general formula (1), and the segment number (A) of the block portion comprised of a hydrophobic monomer to the number (B) of all segments of the polymer dispersant is in a range of 0.07 to 0.85 in terms of A/B ratio.
    Type: Grant
    Filed: December 16, 2008
    Date of Patent: October 25, 2011
    Assignee: Canon Finetech Inc.
    Inventors: Junko Chizuwa, Tomoya Yamamoto, Takayuki Ookawa, Suzuka Ueno
  • Publication number: 20110175972
    Abstract: A process for preparing an aqueous pigment dispersion suitable for use in an ink jet printing ink comprising the following steps in the order I) followed by II): I) providing a dispersion having a sodium chloride critical coagulation concentration of no more than 2.0M, said dispersion comprising a pigment, an aqueous liquid medium and a dispersant having one or more ionic group(s); and II) reducing the hydrophilicity of the dispersant by reacting at least some, but not all of the ionic group(s) in the dispersant with the one or more hydrophobic compound(s).
    Type: Application
    Filed: October 1, 2009
    Publication date: July 21, 2011
    Applicant: FUJIFILM IMAGING COLORANTS LIMITED
    Inventors: Tom Annable, John Patrick O'Donnell
  • Patent number: 7967902
    Abstract: Disclosed herein are compounds having a formula of: R1—CONH—R6—CONH—C34H64+n—CONH—R6—CONH—R3, R1—NHCO—R6—NHCO—C34H64+n—NHCO—R6—NHCO—R3, R1—CONH—R6—NHCO—C34H64+n—CONH—R6—NHCO—R3, R1—NHCO—R6—CONH—C34H64+n—NHCO—R6—CONH—R3, R1—CONH—R4—CONH—C34H64+n—CONH—R5—CONH—R3, R1—CONH—R4—NHCO—C34H64+n—CONH—R5—NHCO—R3, R1—NHCO—R4—CONH—C34H64+n—NHCO—R5—CONH—R3, R1—NHCO—R4—NHCO—C34H64+n—CONH—R5—CONH—R3, or R1—CONH—R4—CONH—C34H64+n—NHCO—R5—NHCO—R3, wherein n is an integer of 0, 2 or 4, R6 is the same or different cyclic group having from 5 to 8 carbon atoms, R4 and R5 are the same or different and comprise an alkylene having from 1 to about 200 carbon atoms, and R1 and R3 are the same or different and comprise a straight chain or branched alkyl group having from about 3 carbon atoms to about 200 carbon atoms and one or both of R1 and R3 include at least one hydroxyl group substituent, and ink compositions including the compounds as an ink vehicle.
    Type: Grant
    Filed: November 17, 2010
    Date of Patent: June 28, 2011
    Assignee: Xerox Corporation
    Inventors: Jeffrey H. Banning, Stephan V. Drappel, Michael B. Meinhardt, Randall R. Bridgeman, Alex J. Kugel
  • Publication number: 20110146533
    Abstract: A method for producing a liquid composition containing pigment particles is provided including (1) maintaining a mixture of a solvent and pigments of at least two types including a pigment A insoluble in the solvent at a normal temperature and a normal pressure, and a pigment B soluble in the solvent at the normal temperature and the normal pressure, at a temperature exceeding the normal temperature and a pressure exceeding the normal pressure, thereby obtaining a pigment solution in which the pigment A and the pigment B are dissolved; and (2) cooling the pigment solution to a temperature precipitating a deposition of the pigment A or lower, thereby precipitating pigment particles containing the pigment A and the pigment B.
    Type: Application
    Filed: February 28, 2011
    Publication date: June 23, 2011
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Kazumichi Nakahama, Takayuki Teshima, Yukio Hanyu, Ryuji Higashi
  • Patent number: 7919543
    Abstract: Compositions for inkjet inks, methods for applying the ink to a surface of a substrate, and articles that include indicia printed with the ink. The inkjet inks include a cellulose polymer and a liquid carrier. Unlike currently available commercial inks, the inkjet inks of this invention can be formulated with less toxic ingredients, thus reducing the risks of negative impact on environmental quality and the health and safety of workers who use the inks.
    Type: Grant
    Filed: February 14, 2006
    Date of Patent: April 5, 2011
    Assignee: Electronics for Imaging, Inc.
    Inventors: Charles L. Beck, Stephen J. Mills
  • Publication number: 20110073004
    Abstract: A water-based ink for ink-jet recording includes a self-dispersible C.I. Pigment Red 122 of which surface is modified by sulfonate group; water; and a water-soluble organic solvent, wherein the water-based ink contains phosphate ion with not more than 20 ppm.
    Type: Application
    Filed: March 28, 2010
    Publication date: March 31, 2011
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Ryuji KATO, Junichiro Sugimoto
  • Patent number: 7914616
    Abstract: A method for producing a liquid composition containing pigment particles is provided including (1) maintaining a mixture of a solvent and pigments of at least two types including a pigment A insoluble in the solvent at a normal temperature and a normal pressure, and a pigment B soluble in the solvent at the normal temperature and the normal pressure, at a temperature exceeding the normal temperature and a pressure exceeding the normal pressure, thereby obtaining a pigment solution in which the pigment A and the pigment B are dissolved; and (2) cooling the pigment solution to a temperature precipitating a deposition of the pigment A or lower, thereby precipitating pigment particles containing the pigment A and the pigment B.
    Type: Grant
    Filed: February 28, 2007
    Date of Patent: March 29, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazumichi Nakahama, Takayuki Teshima, Yukio Hanyu, Ryuji Higashi
  • Publication number: 20100242794
    Abstract: The present invention provides a water-based ink for ink-jet recording including a pigment, water, an anionic surfactant represented by the following general formula (1), and complex salt forming an anionic zirconium complex ion.
    Type: Application
    Filed: March 15, 2010
    Publication date: September 30, 2010
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Taro NAGANO
  • Patent number: 7803221
    Abstract: The present invention concerns ink for printing on ceramic surfaces such as glass, which contains glass frits for silica nanoparticles and optionally a pigment, and is suitable for ink jet printing.
    Type: Grant
    Filed: August 24, 2004
    Date of Patent: September 28, 2010
    Assignees: DIP Tech LTd.., Yissum Research Development Company of the Hebrew University of Jerusalem
    Inventors: Shlomo Magdassi, Gera Eron, Yelena Vinetsky
  • Patent number: 7789955
    Abstract: A pigment-based ink composition including a colorant, a cyclic amide represented by the formula: wherein R is at least one of CH3, C2H5, C3H9, C4H9, C5H11, C6H13, C7H15, and C8H17, and together with the N atom to which it is attached forms a 5 member ring; an organic solvent; an amine; a biocide; first and second surfactants; and water. The ink is utilized in inkjet printing, it does not include resins or polymers, and it provides substantially permanent images on both porous and nonporous substrates.
    Type: Grant
    Filed: April 20, 2006
    Date of Patent: September 7, 2010
    Assignee: Collins Ink Corporation
    Inventors: Lawrence R. Gamblin, Stanley Nowacki, Brigette Senter, Simone Wieczorek
  • Patent number: 7790783
    Abstract: A water-base ink composition comprising: a chromatic color pigment covered with a water-insoluble vinyl polymer; a titanium dioxide pigment; and water; and a water-base ink composition containing, in addition to a chromatic color pigment, dispersant and water, both a titanium dioxide pigment and silica pigment.
    Type: Grant
    Filed: October 27, 2006
    Date of Patent: September 7, 2010
    Assignee: Seiko Epson Corporation
    Inventors: Tetsuya Aoyama, Daisuke Ishihara, Masahiro Yatake
  • Publication number: 20100194836
    Abstract: Aluminium effect pigments having the following properties: a) a d50-value of the volume averaged particle size distribution curve of 1 ?m to 15 ?m, b) an average thickness h50 of 15 to 150 nm determined by counting from SEM images, c) an x-ray diffractogram measured on said aluminium effect pigments in essentially plane-parallel alignment showing main peaks which are not [111]- or [222]-reflections. Furthermore, the disclosure relates to an ink jet printing ink and a method of producing an ink jet printing ink and the use of aluminium effect pigments as well as an ink jet printing ink.
    Type: Application
    Filed: July 17, 2008
    Publication date: August 5, 2010
    Inventors: Dieter Prölss, Stefan Trummer, Andreas Kröll
  • Patent number: 7695555
    Abstract: The present invention relates to inkjet ink pigments having surface counter-ions replaced with other counter-ions with larger size and/or hydrophobicity. The effect of the replacement is to decrease pigment-ink-vehicle-separation in the inkjet ink printing process.
    Type: Grant
    Filed: March 6, 2008
    Date of Patent: April 13, 2010
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Alexey S Kabalnov, Hakan Wennerstrom
  • Publication number: 20100080910
    Abstract: A method of ink-jet recording includes a pretreatment process applying a pretreatment liquid onto a recording medium in advance of ink-jet recording, and a recording process recording by ejecting a pigment ink onto the recording medium by an ink-jet method. The pretreatment liquid contains alkali metal halide and water.
    Type: Application
    Filed: September 23, 2009
    Publication date: April 1, 2010
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Goro OKADA