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公开(公告)号：US20190018332A1
公开(公告)日：2019-01-17
申请号：US16068562
申请日：2016-03-24
申请人： HP Indigo B.V.
发明人： Olga KAGAN , Emad MASOUD , Yana REZNICK , Rada NUCHIMOV , Danny FELDMAN , Haim COHEN , Shiran ZABAR , Yaron GRINWALD , Michael KOKOTOV
摘要： According to an example, a resin, a carrier liquid, and a pearlescent pigment may be mixed to form a liquid electrophotographic ink.
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公开(公告)号：US10175597B2
公开(公告)日：2019-01-08
申请号：US15559580
申请日：2016-05-27
发明人： Jun Shirakawa , Junji Ito , Yasuhiro Aichi
摘要： Provided is a liquid developer that gives a high image density, has a high resistance, suppresses the appearance of image blurring, can be reused, is readily cured by ultraviolet radiation, and can accommodate higher process speeds. This liquid developer contains a carrier liquid, a toner particle insoluble in the carrier liquid, and a compound with the following formula (1) [In formula (1), R1 and R2 each independently represent an alkyl group having at least 13 and not more than 23 carbons.].
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公开(公告)号：US20180275549A1
公开(公告)日：2018-09-27
申请号：US15830759
申请日：2017-12-04
申请人： FUJI XEROX CO., LTD.
发明人： Kazusei YOSHIDA , Daisuke YOSHINO , Masahiro OKI , Akira IMAI , Yoshitake OGURA , Takako KOBAYASHI , Koji HORIBA , Manabu KAWASHIMA , Fumiaki MERA , Tetsuya TAGUCHI
CPC分类号： G03G9/132 , G03G9/122 , G03G9/125 , G03G9/1355
摘要： A liquid developer includes toner particles containing, as a binder resin, at least a polyester resin containing a monomer unit, which includes a linear or branched chain saturated hydrocarbon chain having 2 to 5 carbon atoms between ester bonds, in a range of from 5 mol % to 25 mol % with respect to all monomer units included in the polyester resin, and a colorant; and a carrier liquid including an insulating liquid.
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公开(公告)号：US20180275548A1
公开(公告)日：2018-09-27
申请号：US15534412
申请日：2014-12-22
申请人： HP Indigo B.V.
发明人： Emad Masoud , Neta Filip-Granit , Vladislav Kaploun , Olga Kagan , Yelena Litichevski , Albert Teishev
IPC分类号： G03G9/12 , C09D11/037 , C09D11/107 , C09C1/36 , C09C3/06 , C09C3/10 , C09C3/12 , G03G9/13 , G03G9/135 , G03G9/125
CPC分类号： G03G9/122 , C01P2004/62 , C01P2004/64 , C01P2006/40 , C09B67/0004 , C09C1/043 , C09C1/3661 , C09C1/3676 , C09C1/3684 , C09C1/3692 , C09C1/407 , C09C3/063 , C09C3/08 , C09C3/10 , C09C3/12 , C09D11/033 , C09D11/037 , C09D11/10 , C09D11/107 , G03G9/125 , G03G9/131 , G03G9/132 , G03G9/135 , G03G9/1355
摘要： Provided in one example herein is a liquid electrophotographic ink composition. The composition comprises: a carrier fluid comprising a polymer; ink particles each comprising a non-aqueous polymeric resin and pigment particles distributed in the polymeric resin; and a charge director. The pigment particles comprise a metal oxide and have a hydrophobic surface. The hydrophobic surface comprises at least one of the following: (i) nanoparticles attached to each of the pigment particles, the nanoparticles comprising at least one of an oxide, a phosphate, and a nitrate; (ii) a coating disposed over each of the pigment particles, the coating comprising at least one of an oxide, a phosphate, and a nitrate; and (iii) a coating disposed over each of the pigment particles, the coating comprising at least one of a polymer and an oligomer.
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公开(公告)号：US10042276B2
公开(公告)日：2018-08-07
申请号：US15129653
申请日：2014-04-30
申请人： HP Indigo B.V.
发明人： Gil Bar-Haim , Alina Grishman , Ilanit Mor , Albert Teishev
摘要： Herein is disclosed an electrostatic ink composition, wherein the composition is formable by combining: chargeable particles comprising a resin, a charge director comprising a sulfosuccinate salt, and a non-polymeric, non-fatty acid having a pKa, when measured in water at 20° C., of at least 1. Also disclosed herein is a method of forming an electrostatic ink composition, and a method of electrostatic printing.
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公开(公告)号：US09921512B2
公开(公告)日：2018-03-20
申请号：US15109777
申请日：2014-01-30
申请人： HP Indigo B.V.
发明人： Gil Bar-Haim , Alina Grishman
CPC分类号： G03G9/08 , C09D11/03 , C09D11/106 , G03G9/0804 , G03G9/0808 , G03G9/09733 , G03G9/12 , G03G9/132 , G03G9/135 , G03G13/10
摘要： Herein is disclosed an electrostatic ink composition, wherein the composition is formable by combining: chargeable particles comprising a resin comprising a polymer having acidic side groups, and a cyclic anhydride. Also disclosed herein is a method of forming an electrostatic ink composition, and a method of electrostatic printing.
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公开(公告)号：US20180024456A1
公开(公告)日：2018-01-25
申请号：US15547772
申请日：2015-04-02
申请人： HP Indigo B.V.
IPC分类号： G03G9/135 , C07C303/32 , C07C303/44 , C07C309/17
CPC分类号： G03G9/135 , C01B25/32 , C01B25/322 , C01B25/324 , C07C29/685 , C07C303/32 , C07C303/44 , C07C309/17
摘要： Herein is described a method for the manufacture of a charge director comprising a barium salt. The method comprises reacting barium alkoxide with an acid in a reaction medium comprising ethanol, and separating ethanol from the reaction mixture to recover the barium salt produced.
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28.发明授权公开(公告)号：US09864294B2
公开(公告)日：2018-01-09
申请号：US15202202
申请日：2016-07-05
申请人： FUJI XEROX CO., LTD.
发明人： Hiroshi Saegusa
CPC分类号： G03G9/1355 , G03G9/08755 , G03G9/08771 , G03G9/08795 , G03G9/0906 , G03G9/0926 , G03G9/09758
摘要： A resin composition includes at least one selected from compounds represented by formula (I-1) and at least one selected from compounds represented by formula (I-2) and compounds represented by formula (I-3): wherein R11 to R14, R21 to R24, and R31 to R34 independently represent a hydrogen atom, an alkyl group, an alkoxy group, an aryl group, or an aralkyl group, R15, R16, R25, R26, R35, and R36 independently represent a hydrogen atom or an alkyl group, X and Y independently represent an oxygen atom, a sulfur atom, a selenium atom, or a tellurium atom, with the proviso that plural X's each represent the same element, plural Y's each represent the same element, which is an element different from the element selected as X, A1 to A3 independently represent a divalent group represented by formula (a1) or (a2), which is bonded at the * positions.
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公开(公告)号：US09829817B2
公开(公告)日：2017-11-28
申请号：US15451574
申请日：2017-03-07
发明人： Toru Takatsuna
CPC分类号： G03G9/08766 , G03G9/0821 , G03G9/097 , G03G9/09733 , G03G9/1134 , G03G9/1135 , G03G9/135 , G03G15/0822 , G03G15/0921
摘要： A developer includes a toner including toner particles and a carrier including carrier particles. The carrier particles each include a carrier core and a carrier coating layer covering the carrier core. The carrier coating layer contains a fluorine-containing resin. The toner particles each include a toner mother particle and resin particles located on a surface of the toner mother particle. The resin particles have a number average primary particle diameter of at least 70 nm and no greater than 200 nm. A dispersion obtained by dispersing 0.1 g of the resin particles in 100 mL of distilled water has an electrical conductivity of at least 2.5 μS/m and no greater than 6.0 μS/m. A degree of aggregation Y160 of the resin particles represented by expression (1) “Y160=100×M160A/M160B” is at least 15% by mass and no greater than 40% by mass.
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公开(公告)号：US09745488B2
公开(公告)日：2017-08-29
申请号：US14396332
申请日：2012-05-31
申请人： Adi Vinegrad , Ruslan Tovberg , Eyal Negreanu , Olga Kagan , Yaron Grinwald , Reut Avigdor
发明人： Adi Vinegrad , Ruslan Tovberg , Eyal Negreanu , Olga Kagan , Yaron Grinwald , Reut Avigdor
CPC分类号： C09D11/52 , G03G9/09783 , G03G9/09791 , G03G9/12 , G03G9/122 , G03G9/135
摘要： The application relates to a method of producing an electrostatic ink composition, the method comprising: mixing a resin and a conductive pigment in a continuous mixer to form a compounded mixture comprising particles comprising the resin and the pigment; adding a liquid carrier to the compounded mixture, such that the particles comprising the resin and the conductive pigment are dispersed in the liquid carrier; and, before, during or after adding the liquid carrier to the compounded mixture: imparting a charge on the particles comprising the resin and the pigment.
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