发明名称 |
Water-based pigment ink and process for producing the same |
摘要 |
Water-based pigment ink having high concentration which provides excellent jetting stability when using for ink-jet printer and provides excellent writing stability when using for fine-point pen was provided. The water-based pigment ink comprises water and carbon black, wherein said carbon black has a surface active hydrogen content of not less than 1.5 mmol/g.
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申请公布号 |
US5609671(A) |
申请公布日期 |
1997.03.11 |
申请号 |
US19950566168 |
申请日期 |
1995.12.01 |
申请人 |
ORIENT CHEMICAL INDUSTRIES, LTD. |
发明人 |
NAGASAWA, TOSHIYUKI |
分类号 |
C09D11/00;C09D11/16;(IPC1-7):C09D11/02 |
主分类号 |
C09D11/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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