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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
Applicant: HP Indigo B.V.
Inventor： Emad Masoud , Neta Filip-Granit , Vladislav Kaploun , Olga Kagan , Yelena Litichevski , Albert Teishev
IPC: G03G9/12 , C09D11/037 , C09D11/107 , C09C1/36 , C09C3/06 , C09C3/10 , C09C3/12 , G03G9/13 , G03G9/135 , G03G9/125
CPC classification number: 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
Abstract: 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：US09921512B2
公开(公告)日：2018-03-20
申请号：US15109777
申请日：2014-01-30
Applicant: HP Indigo B.V.
Inventor： Gil Bar-Haim , Alina Grishman
CPC classification number: G03G9/08 , C09D11/03 , C09D11/106 , G03G9/0804 , G03G9/0808 , G03G9/09733 , G03G9/12 , G03G9/132 , G03G9/135 , G03G13/10
Abstract: 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
Applicant: HP Indigo B.V.
Inventor： Hanit Marom Tchaicheeyan , Eyal Bachar , Julia Kornilov , Albert Teishev
IPC: G03G9/135 , C07C303/32 , C07C303/44 , C07C309/17
CPC classification number: G03G9/135 , C01B25/32 , C01B25/322 , C01B25/324 , C07C29/685 , C07C303/32 , C07C303/44 , C07C309/17
Abstract: 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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公开(公告)号：US20170371260A1
公开(公告)日：2017-12-28
申请号：US15628708
申请日：2017-06-21
Applicant: CANON KABUSHIKI KAISHA
Inventor： Naohiko Tsuchida , Yasutaka Akashi , Yuzo Tokunaga
CPC classification number: G03G9/122 , G03G9/132 , G03G9/135 , G03G9/1355 , G03G15/10
Abstract: A liquid developer comprising a toner particle containing a binder resin and a carbon black, a toner particle dispersing agent, and a carrier liquid, wherein amounts of group 15 elements, group 16 elements, and group 17 elements on a surface of the carbon black are respectively 0.1 atomic percent or less with respect to a total amount of elements on the carbon black surface.
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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
Applicant: KYOCERA Document Solutions Inc.
Inventor： Toru Takatsuna
CPC classification number: G03G9/08766 , G03G9/0821 , G03G9/097 , G03G9/09733 , G03G9/1134 , G03G9/1135 , G03G9/135 , G03G15/0822 , G03G15/0921
Abstract: 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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Patent Agency Ranking
公开(公告)号：US20170336728A1
公开(公告)日：2017-11-23
申请号：US15533808
申请日：2016-01-07
Applicant: CANON KABUSHIKI KAISHA
Inventor： Junji Ito , Naotake Sato , Yasuhiro Aichi
IPC: G03G9/125 , C09D11/322 , C09D11/106 , C09D11/101 , C08F216/16 , C09D11/38 , C08F216/12
CPC classification number: G03G9/125 , C08F2/50 , C08F16/32 , C08F216/125 , C08F216/165 , C09D4/00 , C09D4/06 , C09D11/101 , C09D11/106 , C09D11/322 , C09D11/38 , G03G9/12 , G03G9/135
Abstract: An object of the present invention is to provide an ultraviolet curing liquid composition having high sensitivity, excellent storage stability, low viscosity, and excellent fixability after ultraviolet curing. The ultraviolet curable liquid composition of the present invention is an ultraviolet curable liquid composition containing a cationically polymerizable liquid monomer, a photopolymerization initiator and a photopolymerization sensitizer, wherein the cationically polymerizable liquid monomer is a vinyl ether compound, the photopolymerization initiator includes a compound represented by general formula (1), and the photopolymerization sensitizer includes (A) at least one compound selected from the group consisting of a compound represented by general formula (2) and a compound represented by general formula (3), and (B) at least one compound selected from the group consisting of a compound represented by general formula (4) and a compound represented by general formula (5).
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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
Applicant: Adi Vinegrad , Ruslan Tovberg , Eyal Negreanu , Olga Kagan , Yaron Grinwald , Reut Avigdor
Inventor： Adi Vinegrad , Ruslan Tovberg , Eyal Negreanu , Olga Kagan , Yaron Grinwald , Reut Avigdor
CPC classification number: C09D11/52 , G03G9/09783 , G03G9/09791 , G03G9/12 , G03G9/122 , G03G9/135
Abstract: 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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公开(公告)号：US20170219948A1
公开(公告)日：2017-08-03
申请号：US15502379
申请日：2014-09-23
Applicant: Hewlett-Packard Development Company, L.P.
Inventor： Doris Pik-Yiu Chun , Dekel Green
Abstract: Provided in one example herein is a liquid electrophotographic ink composition, comprising: a carrier fluid comprising a polymer; ink particles comprising pigment particles and a polymeric resin, the pigment particles comprising titanium dioxide Sand being distributed in the polymeric resin; and a charge director, wherein the ink particles have an average diameter of between about 10 μm and 50 μm; and the pigment particles are between about 10 wt % and about 50 wt % of the ink particles. Methods of making and using the ink composition are also provided.
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公开(公告)号：US20170146919A1
公开(公告)日：2017-05-25
申请号：US15129653
申请日：2014-04-30
Applicant: HEWLETT-PACKARD INDIGO B.V.
Inventor： Gil Bar-Haim , Alina Grishman , Ilanit Mor , Albert Teishev
CPC classification number: G03G9/09775 , C09D11/033 , G03G9/0808 , G03G9/135 , G03G9/1355
Abstract: 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：US09547260B2
公开(公告)日：2017-01-17
申请号：US14954454
申请日：2015-11-30
Applicant: Hewlett-Packard Indigo B.V.
Inventor： Shai Lior , Mark Sandler , Peter Nedelin
CPC classification number: G03G15/11 , G03G9/13 , G03G9/131 , G03G9/132 , G03G9/135 , G03G9/1355 , G03G15/104 , Y10T428/31855 , Y10T428/31935
Abstract: Disclosed herein is a method for electrostatic printing, wherein the method comprises (a) providing an ink composition comprising particles comprising a resin, wherein the ink composition contains less than 0.3 mg of charge director per g of solids in the ink composition; (b) passing the ink composition between a first electrode and a developer roller, wherein sufficient potential is applied between the developer roller and the electrode such that the resin particles are charged and adhere to the developer roller; (c) transferring at least some of the particles from the developer roller to a photoimaging plate to form an image on the photoimaging plate; and (d) transferring the image from the photoimaging plate to a print medium. Also disclosed here is an apparatus for carrying out the method, and a print medium printed using the method.
Abstract translation: 本文公开了一种静电印刷方法，其中所述方法包括（a）提供包含树脂的颗粒的油墨组合物，其中所述油墨组合物在所述油墨组合物中含有少于0.3mg的电荷指示剂/ g固体; （b）使墨水组合物在第一电极和显影辊之间通过，其中在显影辊和电极之间施加足够的电势，使得树脂颗粒被充电并粘附到显影辊上; （c）将至少一些颗粒从显影辊转印到光成像板上以在光成像板上形成图像; 和（d）将图像从光成像板传送到打印介质。 这里还公开了一种用于执行该方法的装置和使用该方法打印的打印介质。
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