Invention Grant
- Patent Title: Ink set and ink jet recording apparatus
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Application No.: US16872472Application Date: 2020-05-12
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Publication No.: US11643567B2Publication Date: 2023-05-09
- Inventor: Yusuke Mizutaki , Kiyomi Kumamoto
- Applicant: Seiko Epson Corporation
- Applicant Address: JP Tokyo
- Assignee: Seiko Epson Corporation
- Current Assignee: Seiko Epson Corporation
- Current Assignee Address: JP Tokyo
- Agency: Harness, Dickey & Pierce, P.L.C.
- Priority: JP 2019090456 2019.05.13
- Main IPC: C09D11/326
- IPC: C09D11/326 ; C09D11/328 ; C08L33/08 ; C08L71/02 ; C08K9/00 ; B41J2/14 ; B41J2/175 ; C08K3/04 ; B41J2/21 ; C09D11/40

Abstract:
An ink set according to an aspect of the present disclosure includes a first ink and a second ink, the ink set described above is used for an ink jet recording apparatus which includes a recording head having at least one first ejection port which ejects the first ink and at least one second ejection port which ejects the second ink; and a cap which collectively caps the first ejection port and the second ejection port, the first ink contains water and a self-dispersible pigment, and the second ink contains water, a water-soluble dye, and a pigment dispersant.
Information query
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