公开(公告)号：US20190300736A1

公开(公告)日：2019-10-03

申请号：US16365889

申请日：2019-03-27

Applicant: SEIKO EPSON CORPORATION

Inventor： Kenji KITADA ,  Hiroko HAYASHI ,  Yasunari IKEDA ,  Hirofumi HOKARI ,  Hisashi OKAMURA ,  Kenta KIKUCHI ,  Seiji KAGAMI ,  Shinichi NAITO

IPC: C09D11/328 ,  C09D11/38 ,  C09D11/033 ,  C09D11/037 ,  C09D11/107 ,  C09D11/103 ,  C09D11/08 ,  D06P5/30

Abstract: An aqueous inkjet composition contains at least one disperse dye selected from the group consisting of C.I. Disperse Yellow 54, C.I. Disperse Red 60, and C.I. Disperse Blue 359, and a styrene maleic acid-based dispersing agent represented by Formula (1).

公开(公告)号：US20220204789A1

公开(公告)日：2022-06-30

申请号：US17562050

申请日：2021-12-27

Applicant: Seiko Epson Corporation

Inventor： Hisashi OKAMURA ,  Hidehiko KOMATSU ,  Yasuhiro OKI

IPC: C09D11/328 ,  C09D11/033 ,  B41J3/407

Abstract: An aqueous ink jet ink composition of the present disclosure contains a color material represented by Formula (1) below, a water-soluble organic solvent, and water. The color material represented by Formula (1) below contains two or more alkali metal ions as counterions, and the counterions include at least a sodium ion. (In Formula (1), M represents a counterion.)

公开(公告)号：US20200207999A1

公开(公告)日：2020-07-02

申请号：US16727048

申请日：2019-12-26

Applicant: Seiko Epson Corporation

Inventor： Hisashi OKAMURA ,  Hiroko HAYASHI ,  Kenji KITADA ,  Yasunari IKEDA ,  Hirofumi HOKARI ,  Shinichi YAMAMOTO ,  Michio NAKAMORI ,  Shigeki KAWADA ,  Kenta KIKUCHI ,  Kazumasa OTSUKI ,  Seiji KAGAMI ,  Shinichi NAITO

IPC: C09D11/322 ,  C08L39/00 ,  C08L71/02

Abstract: An aqueous ink jet composition contains: C.I. Disperse Red 364; a material A which is at least one compound selected from the group consisting of a compound represented by the following formula (1), a compound represented by the following formula (2), an ethylene oxide adduct of tristyrylphenol, a derivative of the ethylene oxide adduct of tristyrylphenol, a polyalkylene glycol, and a derivative of the polyalkylene glycol; and an anionic dispersant.

公开(公告)号：US20240392149A1

公开(公告)日：2024-11-28

申请号：US18670766

申请日：2024-05-22

Applicant: SEIKO EPSON CORPORATION

Inventor： Hisashi OKAMURA ,  Hidehiko KOMATSU

IPC: C09D11/328 ,  C09D11/36 ,  C09D11/38

Abstract: An ink jet ink composition contains a red coloring material having a monochlorotriazine group and an azo bond, at least one selected from the group consisting of a compound represented by Formula (1) below and a compound represented by Formula (2) below, a water-soluble organic solvent, and water. In Formula (1) and Formula (2), Xs are each independently H, Na, K, or Li:

公开(公告)号：US20220205175A1

公开(公告)日：2022-06-30

申请号：US17562239

申请日：2021-12-27

Applicant: Seiko Epson Corporation

Inventor： Hiromi NOGUCHI ,  Shintaro HAMA ,  Hidehiko KOMATSU ,  Yasuhiro OKI ,  Hisashi OKAMURA

IPC: D06P5/30 ,  C09D11/32

Abstract: An ink composition for ink jet textile printing of the present disclosure contains a color material, a water-soluble organic solvent, and water, and the color material contains a color material A represented by Formula (1) below, a color material B represented by Formula (2) below, and a color material C that has a triazine structure and is different from the color material A and the color material B.

公开(公告)号：US20240287336A1

公开(公告)日：2024-08-29

申请号：US18588116

申请日：2024-02-27

Applicant: SEIKO EPSON CORPORATION

Inventor： Hiromi NOGUCHI ,  Hidehiko KOMATSU ,  Yasuhiro OKI ,  Hisashi OKAMURA

IPC: C09D11/36

CPC classification number: C09D11/36

Abstract: An ink jet ink composition contains at least one dye, an organic solvent, and water. The ink jet ink composition contains, as the organic solvent, at least one selected from the group consisting of 1-(2-hydroxyethyl)-2-pyrrolidone and 2-pyrrolidone and the compound represented by formula (1) below.

公开(公告)号：US20230392030A1

公开(公告)日：2023-12-07

申请号：US18127702

申请日：2023-03-29

Applicant: SEIKO EPSON CORPORATION

Inventor： Hisashi OKAMURA ,  Hidehiko KOMATSU ,  Hiromi NOGUCHI ,  Yuzuka KUMAGAI ,  Yasuhiro OKI

IPC: C09D11/32

CPC classification number: C09D11/32

Abstract: An ink jet ink composition includes a coloring material, a water-soluble organic solvent, and water. The coloring material contains a compound (A) having Cr (chromium) as Me in a structure represented by formula (1) below, and a compound (B) having Co (cobalt) as Me in the structure represented by the formula (1) below, and the mass ratio of the compound (B) to the compound (A) is over 0 and 0.06 or less.

公开(公告)号：US20200239718A1

公开(公告)日：2020-07-30

申请号：US16775317

申请日：2020-01-29

Applicant: Seiko Epson Corporation

Inventor： Kenji KITADA ,  Hiroko HAYASHI ,  Yasunari IKEDA ,  Hisashi OKAMURA ,  Kenta KIKUCHI ,  Hirofumi HOKARI ,  Shinichi NAITO ,  Kazumasa OTSUKI ,  Michio NAKAMORI ,  Shinichi YAMAMOTO ,  Seiji KAGAMI ,  Shigeki KAWADA

IPC: C09D11/328 ,  C08K5/3415 ,  C08K5/1515 ,  C08K5/13 ,  C08L71/02 ,  C08K5/42

Abstract: An aqueous ink jet composition of the present disclosure includes: at least one dye selected from the group consisting of C.I. Solvent Yellow 160:1, C.I. Disperse Yellow 82, and C.I. Disperse Yellow 184; a material A which is at least one compound selected from the group consisting of a compound represented by the following formula (1), a compound represented by the following formula (2), an ethylene oxide adduct of tristyrylphenol, a derivative of an ethylene oxide adduct of tristyrylphenol, a polyalkylene glycol, and a derivative of a polyalkylene glycol; and an anionic dispersant.

公开(公告)号：US20190352525A1

公开(公告)日：2019-11-21

申请号：US16411332

申请日：2019-05-14

Applicant: Seiko Epson Corporation

Inventor： Yasunari IKEDA ,  Hiroko HAYASHI ,  Kenji KITADA ,  Hirofumi HOKARI ,  Hisashi OKAMURA ,  Kenta KIKUCHI ,  Shinichi NAITO

IPC: C09D11/328 ,  C09D11/38

Abstract: An aqueous ink jet composition includes a first component which is at least one selected from the group consisting of C.I. Solvent Yellow 160: 1, C.I. Disperse Yellow 82, and C.I. Disperse Yellow 184; a second component which is a dispersant having at least one chemical structure of a sulfo group and a salt thereof; and a third component which has a cumarin skeleton and at least one chemical structure of a sulfo group and a salt thereof.