Invention Grant
- Patent Title: Ink set, recording device, and method of recording
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Application No.: US16937923Application Date: 2020-07-24
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Publication No.: US11292932B2Publication Date: 2022-04-05
- Inventor: Yuuki Yokohama , Hiroshi Gotou , Kaori Toyama , Masayuki Fukuoka
- Applicant: RICOH COMPANY, LTD.
- Applicant Address: JP Tokyo
- Assignee: RICOH COMPANY, LTD.
- Current Assignee: RICOH COMPANY, LTD.
- Current Assignee Address: JP Tokyo
- Agency: Grüneberg and Myers PLLC
- Priority: JP2016-054355 20160317,JP2016-226667 20161122
- Main IPC: B41J2/01
- IPC: B41J2/01 ; C09D11/40 ; C09D11/322 ; C09D11/36 ; C09D11/106 ; C09D11/324 ; C09D11/102 ; C09D11/38 ; C09D11/107

Abstract:
An ink set includes an ink A including water, a first organic solvent, and a first pigment and an ink B including water, a second organic solvent, a second pigment, and a urethane resin particle. The first organic solvent includes at least one of N,N-dimethyl-β-buthoxy propionamide, N,N-dimethyl-β-methoxy propionamide, and 3-ethyl-3-hydroxymethyl oxetane and has a mixing solubility parameter A of 10.00 to less than 13.00 and the second organic solvent has a mixing solubility parameter B of 13.00 to 16.00.
Information query
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