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    Electrostatic ink compositions
    4.
    发明授权
    Electrostatic ink compositions 有权

    公开(公告)号：US10042277B2

    公开(公告)日：2018-08-07

    申请号：US15314362

    申请日：2014-06-09

    申请人： HP Indigo B.V.

    发明人： Gil Bar-Haim ,  Alexey S. Kabalnov ,  Albert Teishev ,  Alina Grishman ,  Vladislav Kaploun ,  Danny Feldman ,  Eyal Bachar

    IPC分类号： G03G9/12 ,  G03G9/13 ,  C09D11/037 ,  C09D11/107 ,  G03G9/135 ,  G03G13/10

    摘要： Herein is disclosed a magenta liquid electrostatic ink composition comprising chargeable particles comprising a resin, a pigment, a liquid carrier in which the chargeable particles are dispersed, and a charge director, wherein the resin is formable from polymerizing alkylene monomers and methacrylic or acrylic acid monomers, the pigment is selected from pigment violet 19 type αI pigment violet 19 type αII pigment violet 19 type β, pigment violet 19 type γ, pigment red 177, pigment red 208, pigment red 122 and pigment violet 32, and the liquid electrostatic ink composition lacks any other types of pigment. Also disclosed herein is a method of electrostatic printing and a print substrate having printed thereon the magenta liquid electrostatic ink composition.

    Printing devices
    6.
    发明授权
    Printing devices 有权

    公开(公告)号：US10778869B2

    公开(公告)日：2020-09-15

    申请号：US15748550

    申请日：2015-10-30

    申请人： HP INDIGO B.V.

    发明人： Yavin Atzmon ,  Noam Shaham ,  Vladislav Kaploun

    IPC分类号： H04N1/54 ,  B41J2/21

    摘要： Example implementations provide a method of processing data associated with printing a plurality of separations; the method comprising creating, from the data associated with the plurality of separations, complementary separation layer data associated with the complement of data relating to an opaque separation of the plurality of separations.