公开(公告)号：US20240318021A1

公开(公告)日：2024-09-26

申请号：US18581620

申请日：2024-02-20

Applicant: MEMJET TECHNOLOGY LIMITED

Inventor： Ellaine Munton ,  Iain Blake

IPC: C09D11/328 ,  B41J2/14 ,  C09D11/033 ,  C09D11/106

CPC classification number: C09D11/328 ,  B41J2/14112 ,  C09D11/033 ,  C09D11/106

Abstract: An inkjet ink includes an aqueous-based ink vehicle and 5 to 250 ppm of a polyvinyl alcohol. The ink is useful for improving the lifetime of inkjet printheads, especially printheads with inkjet nozzle devices having resistive heater elements susceptible to failure by corrosion.

公开(公告)号：US10696855B2

公开(公告)日：2020-06-30

申请号：US15933284

申请日：2018-03-22

Applicant: MEMJET TECHNOLOGY LIMITED

Inventor： Jognandan Prashar ,  Iain Blake ,  Michele Shepard

IPC: B41J2/14 ,  C09D11/38 ,  B41J2/05 ,  B41M5/00 ,  C09D11/328 ,  C09B31/02 ,  C09B31/06 ,  C09D11/033 ,  C09D11/037

Abstract: An inkjet ink includes: (i) a disazo dye of formula (I): (ii) 1,3-propanediol; (iii) a glycol compound selected from the group consisting of: triethylene glycol and tetraethylene glycol; and (iv) water. The ink has low toxicity and is preferably absent ethylene glycol and sulfolane.

公开(公告)号：US20160137861A1

公开(公告)日：2016-05-19

申请号：US14877478

申请日：2015-10-07

Applicant: Memjet Technology Limited

Inventor： David Tyvoll ,  Simon Fielder ,  Michele Gimona ,  Christopher Barton ,  Jognandan Prashar ,  Michele Shepard ,  Iain Blake ,  Richard Myors ,  Luke Grassy

IPC: C09D11/38 ,  C08K5/06

CPC classification number: C09D11/38 ,  B01D69/02 ,  B41J2/01 ,  B41J2/165 ,  B41J2/2107 ,  B41J2/5052 ,  B41M5/5218 ,  C08K5/06 ,  C09C1/0036 ,  C09C1/0063 ,  C09C1/10 ,  C09D5/082 ,  C09D7/63

Abstract: An inkjet ink for improving printhead lifetimes includes: an aqueous-based ink vehicle; a colorant; an anti-kogation additive; and an anti-corrosion additive having at least one acetylenic group, the acetylenic group being absent any tertiary or quaternary α-carbon atoms.

Abstract translation: 一种用于改善打印头寿命的喷墨油墨包括：水性油墨载体; 着色剂 抗焦化添加剂; 和具有至少一个炔属基团的抗腐蚀添加剂，炔属基团不存在任何叔或季α-碳原子。

公开(公告)号：US20180298218A1

公开(公告)日：2018-10-18

申请号：US15933284

申请日：2018-03-22

Applicant: MEMJET TECHNOLOGY LIMITED

Inventor： Jognandan Prashar ,  Iain Blake ,  Michele Shepard

IPC: C09D11/328 ,  C09D11/037 ,  C09D11/033 ,  C09B31/06 ,  C09B31/02 ,  B41J2/05 ,  B41M5/00

Abstract: An inkjet ink includes: (i) a disazo dye of formula (I): (ii) 1,3-propanediol; (iii) a glycol compound selected from the group consisting of: triethylene glycol and tetraethylene glycol; and (iv) water. The ink has low toxicity and is preferably absent ethylene glycol and sulfolane.

公开(公告)号：US09546292B2

公开(公告)日：2017-01-17

申请号：US14877478

申请日：2015-10-07

Applicant: Memjet Technology Limited

Inventor： David Tyvoll ,  Simon Fielder ,  Michele Gimona ,  Christopher Barton ,  Jognandan Prashar ,  Michele Shepard ,  Iain Blake ,  Richard Myors ,  Luke Grassy

IPC: C09D11/38 ,  C08K5/06 ,  B41J2/01 ,  C09C1/00 ,  B41J2/505 ,  B01D69/02 ,  B41M5/52 ,  C09D5/08 ,  B41J2/21

CPC classification number: C09D11/38 ,  B01D69/02 ,  B41J2/01 ,  B41J2/165 ,  B41J2/2107 ,  B41J2/5052 ,  B41M5/5218 ,  C08K5/06 ,  C09C1/0036 ,  C09C1/0063 ,  C09C1/10 ,  C09D5/082 ,  C09D7/63

Abstract: An inkjet ink for improving printhead lifetimes includes: an aqueous-based ink vehicle; a colorant; an anti-kogation additive; and an anti-corrosion additive having at least one acetylenic group, the acetylenic group being absent any tertiary or quaternary α-carbon atoms.

Abstract translation: 一种用于改善打印头寿命的喷墨油墨包括：水性油墨载体; 着色剂 抗焦化添加剂; 和具有至少一个炔属基团的抗腐蚀添加剂，炔属基团不存在任何叔或季α-碳原子。