公开(公告)号：US10042277B2

公开(公告)日：2018-08-07

申请号：US15314362

申请日：2014-06-09

Applicant: HP Indigo B.V.

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

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

Abstract: 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

Applicant: HP INDIGO B.V.

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

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

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

Abstract: 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：US20190119512A1

公开(公告)日：2019-04-25

申请号：US16094439

申请日：2016-07-28

Applicant: HP Indigo B.V.

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

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

Abstract: 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

Applicant: HP Indigo B.V.

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

IPC: G03G9/12 ,  C09D11/02 ,  C09D11/037 ,  C09D11/107 ,  G03G9/13 ,  G03G9/135

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

Abstract: 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

Applicant: HP Indigo B.V.

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

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

Abstract: 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：US20180120718A1

公开(公告)日：2018-05-03

申请号：US15833211

申请日：2017-12-06

Applicant: HP Indigo B.V.

Inventor： Gil Bar-Haim ,  Alina Grishman

IPC: G03G9/08 ,  G03G13/10 ,  G03G9/135 ,  G03G9/13 ,  G03G9/12 ,  C09D11/03 ,  C09D11/106 ,  G03G9/097

CPC classification number: G03G9/135 ,  C09D11/03 ,  C09D11/106 ,  G03G9/08 ,  G03G9/0804 ,  G03G9/0808 ,  G03G9/09733 ,  G03G9/12 ,  G03G9/132 ,  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.

公开(公告)号：US10591839B2

公开(公告)日：2020-03-17

申请号：US16094439

申请日：2016-07-28

Applicant: HP Indigo B.V.

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

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

Abstract: 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：US10416585B2

公开(公告)日：2019-09-17

申请号：US15833211

申请日：2017-12-06

Applicant: HP Indigo B.V.

Inventor： Gil Bar-Haim ,  Alina Grishman

IPC: G03G9/135 ,  G03G9/08 ,  G03G13/10 ,  G03G9/097 ,  C09D11/03 ,  C09D11/106 ,  G03G9/12 ,  G03G9/13

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.

公开(公告)号：US10042276B2

公开(公告)日：2018-08-07

申请号：US15129653

申请日：2014-04-30

Applicant: HP Indigo B.V.

Inventor： Gil Bar-Haim ,  Alina Grishman ,  Ilanit Mor ,  Albert Teishev

IPC: G03G9/135 ,  G03G9/097 ,  G03G9/08

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.

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

IPC: G03G9/135 ,  G03G9/097 ,  G03G9/08 ,  G03G13/10 ,  C09D11/03 ,  C09D11/106 ,  G03G9/12 ,  G03G9/13

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.