公开(公告)号：US20200087523A1

公开(公告)日：2020-03-19

申请号：US16311086

申请日：2016-10-10

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Max Yen ,  Alex Trubnikov ,  Shimrit Rubin ,  Or Pinkesfeld ,  Marisa Samoshin ,  Yi-Hua Tsao ,  Eytan Cohen

IPC: C09D11/023 ,  C09D11/322 ,  C09D17/00 ,  C09D175/04 ,  C08L27/18 ,  C08K5/06 ,  C08K5/053 ,  C08K5/521

Abstract: An example of a liquid ink includes a pigment dispersion, a polyurethane dispersion, a polytetrafluoroethylene wax emulsion, a co-solvent, and a balance of water. A particle diameter of a polytetrafluoroethylene wax in the polytetrafluoroethylene wax emulsion is less than 50 nm. Examples of the liquid ink may be incorporated into a thermal inkjet printing system.

公开(公告)号：US20230095396A1

公开(公告)日：2023-03-30

申请号：US17911404

申请日：2020-04-02

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： Mazi Bar ,  Alex Trubnikov ,  Eytan Cohen ,  Kfir Dar ,  Kobi Cohen

IPC: C09D11/54 ,  C09D11/322 ,  C09D11/40

Abstract: A method of printing is described. The method comprises applying a fixer composition onto a substrate. The fixer composition comprises a polyvalent metal salt, a cationic polymer, and a liquid vehicle, with a ratio of polyvalent metal salt to cationic polymer in a range of 1:1 to 3.5:1. The method comprises applying an ink composition onto the fixer composition; and applying an over-print varnish composition onto the ink composition. A printed article and a print set are also described.

公开(公告)号：US20230054818A1

公开(公告)日：2023-02-23

申请号：US17795039

申请日：2020-02-14

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Alexander Govyadinov ,  Alex Trubnikov ,  Ronald Albert Askeland

IPC: B41J2/14

Abstract: Fluid is continuously recirculated through a thermal fluid-ejection printhead. Prior to firing a thermal resistor of the printhead to thermally eject a drop of the fluid through a nozzle of the printhead, the fluid is recirculated on-demand through a chamber of the printhead between the nozzle and the thermal resistor. The thermal resistor is fired to thermally eject the drop of the fluid through the nozzle. The fluid has a concentration of solids greater than 12% by volume.

公开(公告)号：US11938727B2

公开(公告)日：2024-03-26

申请号：US17795039

申请日：2020-02-14

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Alexander Govyadinov ,  Alex Trubnikov ,  Ronald Albert Askeland

IPC: B41J2/14

CPC classification number: B41J2/14032 ,  B41J2202/12

Abstract: Fluid is continuously recirculated through a thermal fluid-ejection printhead. Prior to firing a thermal resistor of the printhead to thermally eject a drop of the fluid through a nozzle of the printhead, the fluid is recirculated on-demand through a chamber of the printhead between the nozzle and the thermal resistor. The thermal resistor is fired to thermally eject the drop of the fluid through the nozzle. The fluid has a concentration of solids greater than 12% by volume.

公开(公告)号：US20230348738A1

公开(公告)日：2023-11-02

申请号：US18349159

申请日：2023-07-09

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Max Yen ,  Alex Trubnikov ,  Shimrit Rubin ,  Or Pinkesfeld ,  Marisa Samoshin ,  Yi-Hua Tsao ,  Eytan Cohen

IPC: C09D11/023 ,  C08K5/06 ,  C08K5/521 ,  C09D11/322 ,  C08K5/053 ,  C08L27/18 ,  C09D17/00 ,  C09D175/04

CPC classification number: C09D11/023 ,  C08K5/06 ,  C08K5/521 ,  C09D11/322 ,  C08K5/053 ,  C08L27/18 ,  C09D17/001 ,  C09D175/04 ,  C08K2201/003

Abstract: An example of a liquid ink includes a pigment dispersion, a polyurethane dispersion, a polytetrafluoroethylene wax emulsion, a co-solvent, and a balance of water. A particle diameter of a polytetrafluoroethylene wax in the polytetrafluoroethylene wax emulsion is less than 50 nm. Examples of the liquid ink may be incorporated into a thermal inkjet printing system.

公开(公告)号：US11732146B2

公开(公告)日：2023-08-22

申请号：US16311086

申请日：2016-10-10

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Max Yen ,  Alex Trubnikov ,  Shimrit Rubin ,  Or Pinkesfeld ,  Marisa Samoshin ,  Yi-Hua Tsao ,  Eytan Cohen

IPC: C09D11/322 ,  C09D175/04 ,  C09D11/023 ,  C08K5/053 ,  C08K5/06 ,  C08K5/521 ,  C08L27/18 ,  C09D17/00

CPC classification number: C09D11/023 ,  C08K5/053 ,  C08K5/06 ,  C08K5/521 ,  C08L27/18 ,  C09D11/322 ,  C09D17/001 ,  C09D175/04 ,  C08K2201/003

Abstract: An example of a liquid ink includes a pigment dispersion, a polyurethane dispersion, a polytetrafluoroethylene wax emulsion, a co-solvent, and a balance of water. A particle diameter of a polytetrafluoroethylene wax in the polytetrafluoroethylene wax emulsion is less than 50 nm. Examples of the liquid ink may be incorporated into a thermal inkjet printing system.