| 发明名称 | Ink, ink cartridge, inkjet recording device, and copolymer | ||
| 摘要 | An ink includes water, a pigment, and a copolymer, wherein the copolymer contains a structure unit represented by the following Chemical formula 1,;where R1 represents a hydrogen atom or a methyl group, M1+ and M2+ each, independently represent monovalent cations, n and m each, independently represent 0 or integers of from 1 to 6 excluding a case whereboth are 0 and a structure unit represented by the following Chemical formula 2,;where R2 represents a hydrogen atom or a methyl group, Y represents an alkylene group having 2 to 18 carbon atoms. | ||
| 申请公布号 | US9353274(B1) | 申请公布日期 | 2016.05.31 |
| 申请号 | US201514928230 | 申请日期 | 2015.10.30 |
| 申请人 | Ricoh Company, Ltd. | 发明人 | Katoh Keita;Harada Shigeyuki;Yanagawa Yoshiki;Fukuoka Masayuki;Nagai Kazukiyo;Shimada Tomoyuki;Sabu Akiyoshi;Koizuka Yuusuke |
| 分类号 | C09D11/30;C08F222/10;C09D133/14 | 主分类号 | C09D11/30 |
| 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. An ink comprising: water; a pigment; and a copolymer, wherein the copolymer comprises a structure unit represented by the following Chemical formula 1, where R1 represents a hydrogen atom or a methyl group, M1+ and M2+ each, independently represent monovalent cations, n and m each, independently represent 0 or integers of from 1 to 6 excluding a case where both are 0 and a structure unit represented by the following Chemical formula 2, where R2 represents a hydrogen atom or a methyl group and Y represents an alkylene group having 2 to 18 carbon atoms. | ||
| 地址 | Tokyo JP | ||