发明名称 |
Dispersant compositions improving the heat stability of transparent pigments |
摘要 |
The present invention relates to compositions comprising a sulfonated diketopyrrolopyrrole and a Mannich-type substituted dihydroquinacridone to produce colored materials having improved stability at high temperatures. The instant compositions can be used for pigmenting polymeric materials, such as color filters.
|
申请公布号 |
US6471765(B2) |
申请公布日期 |
2002.10.29 |
申请号 |
US20010916898 |
申请日期 |
2001.07.27 |
申请人 |
CIBA SPECIALTY CHEMICALS CORPORATION |
发明人 |
DE KEYZER GERARDUS |
分类号 |
G02B5/20;C08K5/3437;C08L101/00;C09B48/00;C09B57/00;C09B67/00;C09B67/20;C09B67/22;D01F1/04;G02B5/22;(IPC1-7):C09B67/22;D06P1/02 |
主分类号 |
G02B5/20 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|