| 发明名称 |
Pigment dispersion and inkjet ink composition using the pigment dispersion |
| 摘要 |
<p>A pigment dispersion comprising one or more pigments, a dispersant, and a dispersion medium comprising water, wherein the dispersant comprises a compound having the following formula (I): <CHEM> wherein R1 represents an alkyl group having from 1 to 20 carbon atoms, an aryl group, or an aralkyl group; and k is 0 or an integer of from 1 to 7 and m is an integer of from 30 to 60.</p> |
| 申请公布号 |
EP1116757(B1) |
申请公布日期 |
2003.11.19 |
| 申请号 |
EP20010100577 |
申请日期 |
2001.01.10 |
| 申请人 |
RICOH COMPANY, LTD. |
发明人 |
TANIGUCHI, KEISHI;HATADA, SHIGEO |
| 分类号 |
C09B67/20;B41M5/00;C09B67/46;C09D11/00;C09D11/322;C09D11/324;C09D11/326;C09D11/38;C09D17/00;(IPC1-7):C09D17/00 |
主分类号 |
C09B67/20 |
| 代理机构 |
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代理人 |
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