| 发明名称 |
Method for oxidizing carbon black and organic pigments |
| 摘要 |
A method for oxidizing an organic pigment including dispersing the pigment in an aqueous medium and exposing the dispersed pigment to ultrasonic radiation, whereby the exposed pigment exhibits from 3 to 10 microequivalents of carboxylic acid, or salts thereof, per square meter of pigment surface.
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| 申请公布号 |
EP1316590(A1) |
申请公布日期 |
2003.06.04 |
| 申请号 |
EP20020257916 |
申请日期 |
2002.11.15 |
| 申请人 |
ROHM AND HAAS COMPANY |
发明人 |
LANGENMAYR, ERIC JON;WU, RICHARD SHU-HUA |
| 分类号 |
B41J2/01;B41M5/00;C09B67/08;C09B67/46;C09C1/56;C09C3/04;C09C3/08;C09D11/00;C09D17/00;(IPC1-7):C09C1/56 |
主分类号 |
B41J2/01 |
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