发明授权
- 专利标题: Process for the preparation of sulphur dyestuffs of the phthalocyanine series
- 专利标题(中): 制备酞菁系列硫化染料的方法
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申请号: US479691申请日: 1983-03-28
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公开(公告)号: US4486350A公开(公告)日: 1984-12-04
- 发明人: Wolfgang Bauer , Klaus Kuhlein , Gert Nagl
- 申请人: Wolfgang Bauer , Klaus Kuhlein , Gert Nagl
- 申请人地址: DEX Frankfurt
- 专利权人: Cassella Aktiengesellschaft
- 当前专利权人: Cassella Aktiengesellschaft
- 当前专利权人地址: DEX Frankfurt
- 优先权: DEX3216125 19820430
- 主分类号: C09B47/20
- IPC分类号: C09B47/20 ; C09B49/12 ; C09B47/04 ; C09B47/30
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.
公开/授权文献
- US5272058A Diagnostic methods for E. histolytica 公开/授权日:1993-12-21
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