| 发明名称 |
PREPARATION OF HEAT STABLE PIGMENT VIOLET 23 |
| 摘要 |
A process for improving the heat stability of Pigment Violet 23 by conditioning crude Pigment Violet 23 in the presence of about 1 to 10 wt.% of Pigment Violet 23 by-products (1, 2 and 3). |
| 申请公布号 |
WO02053654(A2) |
申请公布日期 |
2002.07.11 |
| 申请号 |
WO2002US00045 |
申请日期 |
2002.01.04 |
| 申请人 |
SUN CHEMICAL CORPORATION |
发明人 |
SMITH, NORMAN;CHAMBERLAIN, TERRENCE;BERG, BARBARA;MCLAREN, GEORGE;SCHWARTZ, RUSSELL, J. |
| 分类号 |
C09B19/02;C09B67/00;C09B67/22 |
主分类号 |
C09B19/02 |
| 代理机构 |
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代理人 |
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