发明名称 |
Two-step milling process for preparing pigmentary copper phthalocyanine |
摘要 |
Converting crude copper phthalocyanine (CPC) to pigmentary copper phthalocyanine (CPC) by two-stage milling with 5-400% by weight of alum and 0.6-3.7 cc of organic liquid per 100 grams of CPC in the first stage and 1.2-9.8 cc of organic liquid per 100 grams of CPC in the second stage with the total organic liquid being 4-13 cc per 100 grams CPC.
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申请公布号 |
US4257951(A) |
申请公布日期 |
1981.03.24 |
申请号 |
US19800128458 |
申请日期 |
1980.03.24 |
申请人 |
E. I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
MATRICK, HOWARD |
分类号 |
C09B67/00;C09B67/12;(IPC1-7):C09B47/04 |
主分类号 |
C09B67/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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