Title:
A water-based ink, an ink cartridge
Document Type and Number:
Japanese Patent JP6244907
Kind Code:
B2
Abstract:
A copolymer contains repeating units represented by the following chemical formulae 1 and 2: In the chemical formulae I and 2, R represents a hydrogen atom or a cation; X represents an alkylene group having 2 to 18 carbon atoms; Y represents a single bond, an oxycarbonyl group [(X)-O-CO-(Z)], a carbonyloxy group [(X)-CO-O-(Z)], an ether group (-O-), or an imido group [(X)-N-CO-(-CO-)(Z)]; and Z represents a biphenyl group or a naphthyl group).
Inventors:
Shigeyuki Harada
Tamotsu Ariga
Hiroshi Goto
Hidetoshi Fujii
Tamotsu Ariga
Hiroshi Goto
Hidetoshi Fujii
Application Number:
JP2013272604A
Publication Date:
December 13, 2017
Filing Date:
December 27, 2013
Export Citation:
Assignee:
株式会社リコー
International Classes:
C09D11/107; B41J2/01; B41M5/00
Domestic Patent References:
| JP2009299005A | ||||
| JP2015040234A |
Foreign References:
| WO1998012238A1 |
Attorney, Agent or Firm:
Toshio Okamoto