| 发明名称 |
POLYPHOSPHORIC ACID SWELLING OF ORGANIC PIGMENTS |
| 摘要 |
A method of conditioning an organic crude pigment by treating, under high shear, 1 part by weight of the crude pigment and about 0.5 to 1.9 parts by weight of polyphosphoric acid or polyphosphoric acid methyl ester at a temperature ranging from about 90 to 160 C.
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| 申请公布号 |
CA2428311(A1) |
申请公布日期 |
2002.05.16 |
| 申请号 |
CA20012428311 |
申请日期 |
2001.11.01 |
| 申请人 |
CIBA SPECIALTY CHEMICALS HOLDING INC. |
发明人 |
SUNG, EDWARD H.;VELASQUEZ, HUMBERTO A.;CHAMBERS, VERONICA L.;ROBERTSON, GEORGE H. |
| 分类号 |
C09B67/14;C09B67/16;(IPC1-7):C09B67/14 |
主分类号 |
C09B67/14 |
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