公开(公告)号：US10591839B2

公开(公告)日：2020-03-17

申请号：US16094439

申请日：2016-07-28

申请人： HP Indigo B.V.

发明人： Gil Bar-Haim ,  Shiran Zabar ,  Danny Feldman ,  Alina Grishman ,  Albert Teishev

IPC分类号： G03G9/12 ,  C09D11/10 ,  G03G9/135 ,  C09D11/03 ,  G03G9/08 ,  C09D11/037

摘要： Herein is described a liquid electrostatic ink composition comprising a carrier liquid, a resin, a colorant selected from a magenta colorant, a cyan colorant and a black colorant, an amine-containing basic dispersant having a total base number (TBN) in the range of about 10 to about 65 mgKOH/g material, the amine-containing basic dispersant present in an amount from about 5 wt. % to about 40 wt. % by total weight of colorant.

公开(公告)号：US10761445B2

公开(公告)日：2020-09-01

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

IPC分类号： G03G9/08 ,  G03G9/12 ,  G03G9/125 ,  G03G9/13 ,  G03G9/135

摘要： According to an example, a resin, a carrier liquid, and a pearlescent pigment may be mixed to form a liquid electrophotographic ink.

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.

公开(公告)号：US20180031995A1

公开(公告)日：2018-02-01

申请号：US15547758

申请日：2015-04-28

申请人： HP INDIGO B.V.

发明人： Adi Vinegrad ,  Yaron Grinwald ,  Gil Bar-Haim ,  Mirta Perlman ,  Alina Grishman ,  Danny Feldman ,  Eyal Shelef

IPC分类号： G03G9/12 ,  G03G15/16 ,  G03G9/09 ,  G03G9/087 ,  G03G9/13 ,  G03G9/08

CPC分类号： G03G9/122 ,  C09B67/0033 ,  C09B67/009 ,  C09D11/02 ,  C09D11/037 ,  C09D11/106 ,  G03G9/0804 ,  G03G9/131 ,  G03G9/132 ,  G03G9/135 ,  G03G15/163

摘要： Herein is disclosed a magenta liquid electrostatic ink composition comprising a carrier liquid; and ink particles comprising a resin, a magenta pigment and a black pigment, wherein the black pigment is present in the composition in an amount of 0.01 to 0.5 wt % by total solids of the composition.

公开(公告)号：US10591838B2

公开(公告)日：2020-03-17

申请号：US16066381

申请日：2016-03-18

申请人： HP Indigo B.V.

发明人： Olga Kagan ,  Danny Feldman ,  Rada Nuchimov ,  Yaron Grinwald ,  Shiran Zabar ,  Gleb Romantcov

IPC分类号： G03G9/12 ,  C09D11/52 ,  G03G9/13 ,  G03G9/08 ,  C09D11/50 ,  C09D11/17 ,  C09D11/037

摘要： Disclosed herein is an electrostatic ink composition. The composition may comprise a carrier liquid, which has suspended therein: thermochromic pigment particles having a layer of thermoplastic resin thereon. Method for forming electrostatic ink composition and a substrate having the electrostatic ink composition printed thereon are also disclosed herein.

公开(公告)号：US20190119512A1

公开(公告)日：2019-04-25

申请号：US16094439

申请日：2016-07-28

申请人： HP Indigo B.V.

发明人： Gil Bar-Haim ,  Shiran Zabar ,  Danny Feldman ,  Alina Grishman ,  Albert Teishev

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

摘要： Herein is described a liquid electrostatic ink composition comprising a carrier liquid, a resin, a colorant selected from a magenta colorant, a cyan colorant and a black colorant, an amine-containing basic dispersant having a total base number (TBN) in the range of about 10 to about 65 mgKOH/g material, the amine-containing basic dispersant present in an amount from about 5 wt. % to about 40 wt. % by total weight of colorant.

公开(公告)号：US20180307154A1

公开(公告)日：2018-10-25

申请号：US16024583

申请日：2018-06-29

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 ,  C09D11/02 ,  C09D11/037 ,  C09D11/107 ,  G03G9/13 ,  G03G9/135

CPC分类号： G03G9/122 ,  C09D11/02 ,  C09D11/037 ,  C09D11/107 ,  G03G9/131 ,  G03G9/135 ,  G03G13/10 ,  G03G2215/0629

摘要： A magenta liquid electrostatic ink composition includes chargeable particles having a resin and a pigment; an insulating, non-polar, non-aqueous liquid carrier in which the chargeable particles are dispersed; and a charge director. 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 1, pigment red 177, pigment red 208, and pigment violet 32; and the liquid electrostatic ink composition lacks any other types of pigment.

公开(公告)号：US10042278B2

公开(公告)日：2018-08-07

申请号：US15547758

申请日：2015-04-28

申请人： HP Indigo B.V.

发明人： Adi Vinegrad ,  Yaron Grinwald ,  Gil Bar-Haim ,  Mirta Perlman ,  Alina Grishman ,  Danny Feldman ,  Eyal Shelef

IPC分类号： G03G9/12 ,  G03G9/13 ,  G03G9/08 ,  G03G15/16

摘要： Herein is disclosed a magenta liquid electrostatic ink composition comprising a carrier liquid; and ink particles comprising a resin, a magenta pigment and a black pigment, wherein the black pigment is present in the composition in an amount of 0.01 to 0.5 wt % by total solids of the composition.