- Patent Title: Non-aqueous ink jet ink composition and ink jet recording method
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Application No.: US15045543Application Date: 2016-02-17
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Publication No.: US09963606B2Publication Date: 2018-05-08
- Inventor: Naoki Koike , Jun Ito , Kenichiro Kubota , Makoto Nagase
- Applicant: Seiko Epson Corporation
- Applicant Address: JP
- Assignee: Seiko Epson Corporation
- Current Assignee: Seiko Epson Corporation
- Current Assignee Address: JP
- Agency: Harness, Dickey & Pierce, P.L.C.
- Priority: JP2015-029269 20150218
- Main IPC: C09D11/36
- IPC: C09D11/36 ; C09D11/322 ; C09D11/106 ; C09D11/10

Abstract:
A non-aqueous ink jet ink composition contains a white pigment having an average particle diameter of 200 nm or more and 400 nm or less, glycol diether represented by the following formula 1 and having a flash point of 70° C. or less, and glycol monoether represented by the following formula 2: R1O—(R2O)m—R3 Formula 1: (In Formula 1, R1 and R3 each independently represent alkyl groups having 1 to 4 carbon atoms, R2 each independently represents alkylene groups having 2 to 3 carbon atoms, and m is an integer of 1 to 4.); and HO—(R4O)n—R5 Formula 2: (In Formula 2, R4 each independently represents alkylene groups having 2 to 3 carbon atoms, R5 is an alkyl group having 1 to 4 carbon atoms, and n is an integer of 1 to 4.).
Public/Granted literature
- US20160237292A1 NON-AQUEOUS INK JET INK COMPOSITION AND INK JET RECORDING METHOD Public/Granted day:2016-08-18
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