公开(公告)号：US10273376B2

公开(公告)日：2019-04-30

申请号：US15322938

申请日：2014-07-30

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

Inventor： Dennis P. Parazak ,  Gregg A. Lane ,  Fereshteh Khorrami ,  Dennis Z. Guo ,  Benjamin Abelovski

IPC: B41J2/01 ,  C09D11/54 ,  C09D11/101 ,  C09D11/102 ,  C09D11/38 ,  C09D11/40 ,  C09D11/322

Abstract: An example of an ink composition includes a pigment, an anionic polymeric dispersant, polyurethane, a co-solvent, a surfactant, tristyrylphenol ethoxylate, and a balance of water. The tristyrylphenol ethoxylate is present in an amount ranging from about 0.1 wt % to about 2 wt % of a total wt % of the ink composition.

公开(公告)号：US11760892B2

公开(公告)日：2023-09-19

申请号：US16765599

申请日：2018-01-19

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

Inventor： Dennis Z. Guo ,  Jie Zheng ,  Tienteh Chen ,  David Michael Ingle ,  Rodney David Stramel ,  June Yang ,  Marcos A. Barreto Caban

IPC: C09D11/322 ,  C09B47/04 ,  C09D11/033 ,  C09D11/037 ,  C09D11/107 ,  C09D17/00

CPC classification number: C09D11/322 ,  C09B47/04 ,  C09D11/033 ,  C09D11/037 ,  C09D11/107 ,  C09D17/001 ,  C09D17/003

Abstract: The present disclosure is drawn to aqueous pigment dispersions. In one example, an aqueous pigment dispersion can include from 40 wt % to 90 wt % water, from 2 wt % to 30 wt % organic co-solvent, from 7.5 wt % to 30 wt % copper phthalocyanine pigment, from 0.5 wt % to 5 wt % styrene-acrylic dispersant, and from 0.5 wt % to 5 wt % hydrophilic polyurethane dispersant having a weight average molecular weight from 10,000 Mw to 30,000 Mw. The styrene-acrylic dispersant and the hydrophilic polyurethane dispersant can be present at a weight ratio from 1:10 to 2:1.

公开(公告)号：US20230265303A1

公开(公告)日：2023-08-24

申请号：US18015287

申请日：2020-07-17

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

Inventor： Dennis Z. Guo ,  Jie Zheng ,  Barbara Casanas Montes ,  Marcos A. Barreto Caban

IPC: C09D11/322 ,  D06P5/30

CPC classification number: C09D11/322 ,  D06P5/30 ,  C09D11/54

Abstract: An example of a white inkjet ink includes: a non-self-dispersed white pigment; from about 0.005 wt % to about 1 wt %, based on a total weight of the white inkjet ink, of an anionic copolymer dispersant having a weight average molecular weight (Mw) ranging from about 125,000 g/mol to about 30,000,000 g/mol; a polymeric binder; and an aqueous vehicle. The white inkjet ink may be used in a textile printing kit.

公开(公告)号：US20230143973A1

公开(公告)日：2023-05-11

申请号：US17915930

申请日：2020-06-19

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

Inventor： Dennis Z. Guo ,  Jie Zheng

IPC: C09D11/322 ,  C09D11/54 ,  C09D11/033 ,  C09D11/037 ,  C09D11/102 ,  D06P5/30 ,  D06P5/00 ,  D06P5/20 ,  D06P1/52 ,  D06P1/673 ,  B41J3/407

CPC classification number: C09D11/322 ,  C09D11/54 ,  C09D11/033 ,  C09D11/037 ,  C09D11/102 ,  D06P5/30 ,  D06P5/002 ,  D06P5/2077 ,  D06P1/5285 ,  D06P1/673 ,  B41J3/4078

Abstract: An inkjet ink composition for textile printing comprising a white pigment, a pigment dispersant, a polyurethane-based binder, a nano-sized layered silicate and an aqueous liquid vehicle. Also described herein is a fluid set comprising said ink and a fixer composition including a cationic polymer and a fixer vehicle; as well as the textile printing method using it.

公开(公告)号：US20230137276A1

公开(公告)日：2023-05-04

申请号：US17915890

申请日：2020-06-05

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

Inventor： Dennis Z. Guo ,  Jie Zheng

IPC: D06P1/44 ,  D06P1/52 ,  C09D11/322 ,  C09D11/102 ,  C09D11/54 ,  C09D183/08 ,  D06P5/00

Abstract: The present disclosure describes fluid sets for printing, methods of textile printing, and textile printing systems. In one example, a fluid set for printing can include a pretreat composition, a fixer composition, and a white ink composition. The pretreat composition can include water and an emulsion of a silicone polymer having amino groups. The fixer composition can include a liquid vehicle and a cationic polymer. The white ink composition can include a liquid vehicle, a white pigment dispersion, and a polymeric binder.

公开(公告)号：US11572481B2

公开(公告)日：2023-02-07

申请号：US16499659

申请日：2017-07-05

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

Inventor： Phillip C. Cagle ,  Dennis Z. Guo

IPC: C09D11/023 ,  C09D11/03 ,  C09D11/037 ,  C09D11/107 ,  C09D11/322 ,  C09D125/08 ,  C09D133/08 ,  C09D133/10 ,  C09D133/26 ,  C08K5/23 ,  C09B29/33

Abstract: In one aspect the present disclosure relates to an aqueous inkjet ink composition comprising a yellow azo pigment, a pigment synergist, a polymeric dispersant, 5 to 20 wt % of a latex polymer, 5 to 40 wt % of an organic co-solvent that has a boiling point of a boiling point in the range of about 170° C. to about 285° C., and water. The pigment synergist comprises a pigment of the formula (I): where each of R1 to R10 is each independently selected from H, carboxylate, and/or a sulphonate group.

公开(公告)号：US20220186060A1

公开(公告)日：2022-06-16

申请号：US17433180

申请日：2019-07-12

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

Inventor： Dennis Z. Guo ,  Jie Zheng

IPC: C09D11/40 ,  C09D11/54 ,  C09D11/322 ,  C09D11/023 ,  C09D11/12 ,  C09D11/107 ,  D06P5/30 ,  D06P5/00 ,  D06P1/44 ,  D06P1/52 ,  B41M5/00 ,  B41M7/00

Abstract: A fluid set includes a pre-treatment composition, a fixer composition, and an inkjet ink. The pre-treatment composition includes a wax emulsion or a fluorinated polymer emulsion. The fixer composition includes a cationic polymer and a fixer vehicle. The inkjet ink includes a white pigment, a polymeric binder, and an ink vehicle.

公开(公告)号：US20210363695A1

公开(公告)日：2021-11-25

申请号：US17058686

申请日：2018-11-13

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

Inventor： Zhang-Lin Zhou ,  Qianhan Yang ,  Dennis Z. Guo

IPC: D06P5/30 ,  C09D11/322 ,  C09D11/54

Abstract: The present disclosure includes a textile printing system including a fabric substrate and an ink composition. The ink composition can include water, organic co-solvent, from 0.5 wt % to 15 wt % pigment with a dispersant associated with a surface thereof, and from 0.1 wt % to 30 wt % of polyurethane particles including sulfonated- or carboxylated-diamine groups and isocyanate-generated amine groups.

公开(公告)号：US20210246327A1

公开(公告)日：2021-08-12

申请号：US17049010

申请日：2018-08-30

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

Inventor： Jie Zheng ,  Dennis Z. Guo

IPC: C09D11/54 ,  C09D11/322 ,  D06P5/30 ,  D06P1/52 ,  D06P1/673 ,  D06P5/20 ,  C09D11/102 ,  D06P1/44

Abstract: A fluid set includes a pre-treatment composition and an ink composition. The pre-treatment composition includes a multivalent metal salt, a cationic polymer, and an aqueous vehicle. The ink composition includes a pigment, a polyurethane-based binder, and an aqueous ink vehicle.

公开(公告)号：US20210095147A1

公开(公告)日：2021-04-01

申请号：US17050767

申请日：2018-06-11

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

Inventor： Jie Zheng ,  Dennis Z. Guo

IPC: C09D11/322 ,  C09D17/00 ,  C09D11/037 ,  C09D11/023 ,  B41J2/21 ,  B41M5/00

Abstract: A cyan pigment dispersion includes a non-self-dispersed cyan pigment, a first dispersant, a second dispersant, and a balance of water. The first dispersant is a styrene-acrylic copolymer having an acid number ranging from about 120 mg KOH/g to about 220 mg KOH/g. The second dispersant has an acid number less than 100 mg KOH/g.