| 发明名称 |
Process for the preparation of sulphur dyestuffs of the phthalocyanine series |
| 摘要 |
Preparation of phthalocyanine sulphur dyestuffs is improved by reducing phthalocyaninesulphochlorides in the presence of hydriodic acid and a non-free metal reducing agent which converts iodine into hydriodic acid.
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| 申请公布号 |
US4486350(A) |
申请公布日期 |
1984.12.04 |
| 申请号 |
US19830479691 |
申请日期 |
1983.03.28 |
| 申请人 |
CASSELLA AKTIENGESELLSCHAFT |
发明人 |
BAUER, WOLFGANG;KUEHLEIN, KLAUS;NAGL, GERT |
| 分类号 |
C09B47/20;C09B49/12;(IPC1-7):C09B47/04;C09B47/30 |
主分类号 |
C09B47/20 |
| 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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