| 发明名称 |
PROCESS FOR PREPARING COPPER PHTHALOCYANINE PIGMENTS FO THE OC-MODIFICATION |
| 摘要 |
<p>Highly pure alpha -copper phthalocyanine is obtained when a product regenerated from alpha -copper phthalocyanine sulfate by hydrolysis with water is aftertreated in an aqueous medium containing a polar organic non-aromatic compound which is water-soluble or liquid. The aftertreated product has an especially high tinctorial strength, is very easily dispersible and has a very pure reddish-blue shade.</p> |
| 申请公布号 |
IN143112(B) |
申请公布日期 |
1977.10.01 |
| 申请号 |
IN1975CA82819 |
申请日期 |
1975.04.25 |
| 申请人 |
HOECHST AG |
发明人 |
SCHIEBLER S;ELINKMANN H;SPIETSCHKA E |
| 分类号 |
C09B67/12;(IPC1-7):C09B47/08 |
主分类号 |
C09B67/12 |
| 代理机构 |
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代理人 |
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| 地址 |
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