Invention Grant
- Patent Title: Aqueous ink for inkjet, ink cartridge, and inkjet recording device
- Patent Title (中): 喷墨用墨水,墨盒和喷墨记录装置
-
Application No.: US14472458Application Date: 2014-08-29
-
Publication No.: US09321923B2Publication Date: 2016-04-26
- Inventor: Tomohiro Nakagawa , Naohiro Toda , Hidefumi Nagashima , Juichi Furukawa , Ichiroh Fujii
- Applicant: Tomohiro Nakagawa , Naohiro Toda , Hidefumi Nagashima , Juichi Furukawa , Ichiroh Fujii
- Applicant Address: JP Tokyo
- Assignee: RICOH COMPANY, LTD.
- Current Assignee: RICOH COMPANY, LTD.
- Current Assignee Address: JP Tokyo
- Agency: Cooper & Dunham LLP
- Priority: JP2013-190895 20130913
- Main IPC: B41J2/01
- IPC: B41J2/01 ; C09D11/033 ; B41J2/21 ; C09D11/322 ; C09D11/38

Abstract:
Aqueous ink for inkjet that contains water; a hydrosoluble organic solvent; a pigment; and a resin, wherein the hydrosoluble organic solvent comprises 2,3-butane diol having a total ratio of (2R, 3R) form and (2S, 3S) form of greater than 50% by weight in 2,3-butane diol, where (2R, 3R) form represents (2R, 3R)-(−)-2,3-butane diol and (2S, 3S) form represents (2S, 3S)-(+)-2,3-butane diol, wherein 2,3-butane diol accounts for 5% by weight to 40% by weight of the entire of the aqueous ink.
Public/Granted literature
- US20150077479A1 AQUEOUS INK FOR INKJET, INK CARTRIDGE, AND INKJET RECORDING DEVICE Public/Granted day:2015-03-19
Information query
IPC分类: