公开(公告)号：US10514625B2

公开(公告)日：2019-12-24

申请号：US16073436

申请日：2016-03-09

Applicant: HP Indigo B.V.

Inventor： Samer Farran ,  Guy Nesher ,  Yaron Grinwald ,  Shahar Stein ,  Shiran Zabar ,  Tony Azzam

IPC: G03G9/135 ,  G03G9/12 ,  G03G9/125 ,  G03G9/08 ,  C09D11/52 ,  C09D11/03 ,  G03G9/13

Abstract: According to an example, an electrophotographic ink may include an adsorbent, a volatile fragrance, a resin and a carrier liquid.

公开(公告)号：US20190055421A1

公开(公告)日：2019-02-21

申请号：US16079042

申请日：2016-07-08

Applicant: HP Indigo B.V.

Inventor： Guy Nesher ,  Ziv Gilan ,  Haim Cohen ,  Yaron Grinwald ,  Gil Bar-Haim

IPC: C09D11/12 ,  C09D11/037 ,  C09D11/08 ,  G03G15/08 ,  G03G9/135

Abstract: Herein is described an electrostatic ink composition comprising a carrier liquid, aluminium stearate particles, and an aluminium stearate binding agent dissolved in the carrier liquid, wherein the aluminium stearate binding agent comprises an acidic binding group which is bound to an aluminium stearate particle.

公开(公告)号：US20180155565A1

公开(公告)日：2018-06-07

申请号：US15568705

申请日：2015-07-17

Applicant: HP Indigo B.V.

Inventor： Biana Noikas ,  Dror Kella ,  Adi Vinegrad ,  Regina Guslitzer ,  Yaron Grinwald ,  Gil Bar-Haim ,  Tehila Ben-Ezra ,  Avishai Moshel ,  Emad Masoud ,  Yelena Litichevski ,  Roi Liraz ,  Noam Parvin

IPC: C09D11/52 ,  C09D11/50 ,  C09D11/10 ,  G03G9/13 ,  G03G9/12

CPC classification number: C09D11/52 ,  C09D11/10 ,  C09D11/50 ,  G03G9/122 ,  G03G9/13

Abstract: Herein is disclosed an electrostatic ink composition. In some examples, the electrostatic ink compositions comprise: a carrier liquid; a first resin; and a fluorescent pigment. The fluorescent pigment comprising a fluorescent dye and a second resin matrix, wherein the second resin is selected from the group comprising polyamide resins, polyvinylchlorides, polyolefin resins, polystyrenes, acrylonitrile-butadiene-styrene resins, polycarbonates, poly acrylic and methacrylic acid resins, polyethylene terephthalates, polyamide resins, polyurethanes, epoxy resins, silicone resins, polyester resins, alkyd resins, acrylonitrile polymers, polyesteramides or combinations thereof

公开(公告)号：US09983497B2

公开(公告)日：2018-05-29

申请号：US15329047

申请日：2014-07-29

Applicant: HP Indigo B.V.

Inventor： Adi Mann ,  Albert Teishev ,  Eyal Handel ,  Marc Klein ,  Olga Kagan ,  Yaron Grinwald ,  Vladislav Kaploun

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

CPC classification number: G03G9/125 ,  C09B67/0013 ,  C09D11/037 ,  C09D11/106 ,  C09D11/107 ,  G03G9/0804 ,  G03G9/081 ,  G03G9/0812 ,  G03G9/0815 ,  G03G9/0819 ,  G03G9/122 ,  G03G9/131 ,  G03G9/132 ,  G03G9/135

Abstract: A method for coating pigment particles is provided, the method comprising heating a polymer resin in a carrier fluid to dissolve the polymer resin, suspending in the carrier fluid the pigment particles to be coated; and effecting precipitation of the polymer resin from the carrier fluid, such that a coating of the resin is formed on the pigment particles.

公开(公告)号：US20180143558A1

公开(公告)日：2018-05-24

申请号：US15568867

申请日：2015-07-17

Applicant: HP INDIGO B.V.

Inventor： Guy Nesher ,  Shahar Stein ,  Yaron Grinwald

IPC: G03G9/125 ,  G03G9/12 ,  G03G9/13 ,  G03G9/135

CPC classification number: G03G9/125 ,  C08L23/06 ,  C08L33/08 ,  C08L33/10 ,  G03G9/12 ,  G03G9/122 ,  G03G9/131 ,  G03G9/135

Abstract: This disclosure relates to an electrophotographic composition comprising toner particles dispersed in a liquid carrier. The toner particles comprise porous carrier particles infused with a fragrance.

公开(公告)号：US10591837B2

公开(公告)日：2020-03-17

申请号：US16066145

申请日：2016-03-04

Applicant: HP Indigo B.V.

Inventor： Haim Cohen ,  Yaron Grinwald ,  Gideon Amir ,  Reut Avigdor ,  Julia Kornilov

IPC: G03G9/12 ,  C09D11/50 ,  C09D11/52 ,  B41M3/14 ,  G03G9/135

Abstract: Described herein is a security LEP ink composition comprising an absorber, a resin; and a carrier liquid for printing a security image.

公开(公告)号：US10423094B2

公开(公告)日：2019-09-24

申请号：US16259032

申请日：2019-01-28

Applicant: HP INDIGO B.V.

Inventor： Yaron Grinwald

IPC: G03G15/06 ,  G03G15/10 ,  G03G15/00

Abstract: Liquid electrophotography apparatus including a plurality of members defining a flow path for a printing liquid. At least a first member of the plurality of members is arranged to generate an electric field. The liquid electrophotography apparatus also includes a first insulation layer arranged around at least a portion of a surface of the first member to prevent electrical discharge from the printing liquid.

公开(公告)号：US20190033743A1

公开(公告)日：2019-01-31

申请号：US16072446

申请日：2016-03-04

Applicant: HP Indigo B.V.

Inventor： Tony Azzam ,  Tehila Ben-Ezra ,  Regina Guslitzer ,  Reut Avigdor ,  Samer Farran ,  Yaron Grinwald ,  Roy Har-Tsvi ,  Eyal Shelef

IPC: G03G9/13 ,  G03G9/135 ,  C09D11/106 ,  C09D11/03

CPC classification number: G03G9/131 ,  C09D11/02 ,  C09D11/03 ,  C09D11/106 ,  G03G9/00 ,  G03G9/12 ,  G03G9/135 ,  G03G9/1355 ,  G03G13/10

Abstract: This disclosure relates to a liquid electrophotographic composition comprising a thermoplastic polymer resin, a charge adjuvant, microspheres, and a liquid carrier. Each microsphere comprises a shell of material encapsulating a gas. The microspheres are present in an amount of 5 to 90 weight % of the total weight of solids in the composition.

公开(公告)号：US20190033741A1

公开(公告)日：2019-01-31

申请号：US16072461

申请日：2016-03-04

Applicant: HP Indigo B.V.

Inventor： Gregory Katz ,  Yaron Grinwald ,  Michael Kokotov ,  Regina Guslitzer

IPC: G03G9/12 ,  C09D11/52 ,  G03G9/13 ,  G03G15/10

CPC classification number: G03G9/122 ,  C09D11/52 ,  G03G9/13 ,  G03G9/131 ,  G03G9/132 ,  G03G15/10

Abstract: The present disclosure is drawn to an electrostatic ink composition comprising a resin having a Mw of 10,000 or less and a conductive species. Also disclosed herein is a substrate on which is electrostatically printed a conductive trace, wherein the trace comprises a resin having a Mw of 10,000 or less and a conductive species. Further disclosed herein is a method of electrophotographic printing an electrostatic ink composition comprising a resin having a Mw of 10,000 or less and a conductive species.

公开(公告)号：US20180120725A1

公开(公告)日：2018-05-03

申请号：US15565107

申请日：2015-07-31

Applicant: HP Indigo B.V.

Inventor： Reut Avigdor ,  Tehila Ben-Ezra ,  Yael Kowal-Blau ,  Yaron Grinwald ,  Albert Teishev ,  Eyal Shelef

IPC: G03G9/135 ,  G03G9/13

CPC classification number: G03G9/131 ,  C09D11/00 ,  C09D11/03 ,  C09D11/36 ,  C09D11/38 ,  C09D11/52 ,  G03G9/132 ,  G03G9/135 ,  G03G9/1355

Abstract: Provided in one example herein is a liquid electrophotographic ink composition. The composition includes a charge director, a non-polar carrier fluid comprising a polymer; and ink particles each including a polymeric resin and a pigment dispersed in the resin. The ink composition also includes a tackifier.