发明名称 |
Processes for the preparation of phthalocyanines for electrophotography |
摘要 |
A process for the preparation of x-metal free phthalocyanine which comprises (i) initially preparing a mixture of alpha- and x-metal free phthalocyanines from alpha-phthalocyanine with a grinding or mixing device, (ii) converting the above mixture to x-metal free phthalocyanine by the addition of an organic solvent, (iii) separating the x-metal free phthalocyanine therefrom, and thereafter washing the x-metal free phthalocyanine with a basic solution.
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申请公布号 |
US5100752(A) |
申请公布日期 |
1992.03.31 |
申请号 |
US19900519984 |
申请日期 |
1990.05.07 |
申请人 |
XEROX CORPORATION |
发明人 |
HSAIO, CHENG-KUO;HOR, AH-MEE;BARANYI, GIUSEPPA;BLUHM, TERRY L.;DUFF, JAMES F.;LIEBERMANN, GEORGE;WASMUND, ERIC B. |
分类号 |
C09B47/30;C09B67/12;C09B67/50;G03G5/06 |
主分类号 |
C09B47/30 |
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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