| 发明名称 | Copolymer, aqueous ink, and ink cartridge | ||
| 摘要 | A copolymer includes structural units having the following formulae (1) and (2):; wherein R represents a hydrogen atom or a methyl group; X represents a hydrogen atom or a cationic ion; and each of L1 and L2 independently represents an alkylene group having 2 to 18 carbon atoms. | ||
| 申请公布号 | US9416284(B2) | 申请公布日期 | 2016.08.16 |
| 申请号 | US201514840570 | 申请日期 | 2015.08.31 |
| 申请人 | Ricoh Company, Ltd. | 发明人 | Harada Shigeyuki;Katoh Keita;Fukuoka Masayuki;Nagai Kazukiyo;Koizuka Yuusuke |
| 分类号 | C09D11/107;C08F220/06;C08F222/20;C09D11/30 | 主分类号 | C09D11/107 |
| 代理机构 | Oblon, McClelland, Maier & Neustadt, L.L.P. | 代理人 | Oblon, McClelland, Maier & Neustadt, L.L.P. |
| 主权项 | 1. A copolymer, comprising structural units having the following formulae (1) and (2): wherein R represents a hydrogen atom or a methyl group; X represents a hydrogen atom or a cationic ion; and each of L1 and L2 independently represents an alkylene group having 2 to 18 carbon atoms. | ||
| 地址 | Tokyo JP | ||