Back to results
US 2016/0102162 A1Published application
Copolymer, aqueous ink, and ink cartridge
AssigneeRicoh Company, Ltd.
InventorsShigeyuki HARADA, Yoshiki YANAGAWA, Keita KATOH, Masayuki FUKUOKA, Kazukiyo NAGAI, Yuusuke KOIZUKA, Tomoyuki SHIMADA, Akiyoshi SABU
Life of this patent
Estimating the term…
Abstract
A copolymer includes structural units having the following formulae (1) and (2): wherein each of R1 and R2 independently represents a hydrogen atom or a methyl group; X represents a hydrogen atom or a cationic ion; and L represents a single bond or —(CH2)n—O—, the oxygen atom of which is bonded with the biphenyl; and n represents an integer of from 2 to 18.
Claims8
A copolymer, comprising structural units having the following formulae (1) and (2):
- wherein each of R1 and R2 independently represents a hydrogen atom or a methyl group;
- X represents a hydrogen atom or a cationic ion;
- and L represents a single bond or —(CH2)n—O—, the oxygen atom of which is bonded with the biphenyl;
- and n represents an integer of from 2 to 18.
1 more element
Dependencies are inferred from the claim text.