Invention Grant
- Patent Title: Inkjet recording ink and inkjet recording device using the same
- Patent Title (中): 喷墨记录油墨和使用其的喷墨记录装置
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Application No.: US13643841Application Date: 2011-04-08
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Publication No.: US09045659B2Publication Date: 2015-06-02
- Inventor: Shin Hasegawa , Hiroyuki Fushimi
- Applicant: Shin Hasegawa , Hiroyuki Fushimi
- Applicant Address: JP Tokyo
- Assignee: Ricoh Company, Ltd.
- Current Assignee: Ricoh Company, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2010-104730 20100430
- International Application: PCT/JP2011/059329 WO 20110408
- International Announcement: WO2011/136037 WO 20111103
- Main IPC: B41J2/01
- IPC: B41J2/01 ; C09D11/324 ; C09D11/322 ; B41J2/175 ; C09D11/326

Abstract:
An inkjet recording ink, which contains: carbon black; a surfactant; water; a water-soluble organic solvent; and particles formed of an anionic self-emulsifying poly(ether urethane) resin, wherein the carbon black contains first carbon black whose surface has been treated with an anionic surfactant and second carbon black which has been coated with a resinous polymer, where a mass ratio of the first carbon black to the second carbon black is 10/90 to 90/10, and wherein the anionic surfactant is a naphthalenesulfonic acid-formaldehyde condensate.
Public/Granted literature
- US20130038660A1 INKJET RECORDING INK AND INKJET RECORDING DEVICE USING THE SAME Public/Granted day:2013-02-14
Information query
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