Invention Application
- Patent Title: Aqueous Ink Jet Ink Composition, Ink Jet Recording Method, and Ink Jet Recording Apparatus
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Application No.: US17680384Application Date: 2022-02-25
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Publication No.: US20220275231A1Publication Date: 2022-09-01
- Inventor: Tomoki MARUYAMA , Tetsuya AOYAMA , Masahiro YATAKE , Satoshi TSUBAMOTO
- Applicant: Seiko Epson Corporation
- Applicant Address: JP Tokyo
- Assignee: Seiko Epson Corporation
- Current Assignee: Seiko Epson Corporation
- Current Assignee Address: JP Tokyo
- Priority: JP2021-030130 20210226
- Main IPC: C09D11/322
- IPC: C09D11/322 ; C09D11/033 ; C08K5/3415 ; C08K5/053 ; B41J2/175

Abstract:
An aqueous ink jet ink composition contains a color material, water, a polyhydric alcohol having a standard boiling point of 270.0° C. or more, and 1-(2-hydroxyethyl)-2-pyrrolidone. The mass ratio of the content of the polyhydric alcohol to that of 1-(2-hydroxyethyl)-2-pyrrolidone is 3.1 or more and 7.0 or less.
Information query
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