| 发明名称 | Black ink for inkjet recording, ink cartridge, and inkjet recording device | ||
| 摘要 | To provide a black ink for inkjet recording, including: carbon black and a complementary color pigment thereof each serving as a colorant; a water-soluble organic solvent; and water, wherein the carbon black, the complementary color pigment, or a combination thereof is a self-dispersion type pigment. | ||
| 申请公布号 | US9127179(B1) | 申请公布日期 | 2015.09.08 |
| 申请号 | US201514610047 | 申请日期 | 2015.01.30 |
| 申请人 | RICOH COMPANY, LTD. | 发明人 | Hasegawa Ken |
| 分类号 | B41J2/175;C09D11/324;C09D11/36;C09D11/322;C08K3/04;C08K5/3417;C08K5/3437 | 主分类号 | B41J2/175 |
| 代理机构 | Cooper & Dunham LLP | 代理人 | Cooper & Dunham LLP |
| 主权项 | 1. A black ink for inkjet recording, comprising: carbon black and a complementary color pigment thereof each serving as a colorant; a water-soluble organic solvent; and water, wherein the carbon black, the complementary color pigment, or a combination thereof is a self-dispersion type pigment, and wherein a percentage of an amount of the complementary color pigment relative to an amount of the carbon black is 0.01% by mass to 0.2% by mass. | ||
| 地址 | Tokyo JP | ||