发明授权
US06710217B1 Method for producing 4-chlorobiphenyl and 4-chlorobiphenyl-specific specifications
失效
制备4-氯联苯和4-氯联苯的具体规格的方法
- 专利标题： Method for producing 4-chlorobiphenyl and 4-chlorobiphenyl-specific specifications
- 专利标题（中）： 制备4-氯联苯和4-氯联苯的具体规格的方法
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申请号： US10009536申请日： 2001-11-13
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公开(公告)号： US06710217B1公开(公告)日： 2004-03-23
- 发明人: Reinhard Langer , Alexander Klausener , Paul Wagner , Lothar Puppe
- 申请人： Reinhard Langer , Alexander Klausener , Paul Wagner , Lothar Puppe
- 优先权： DE19922402 19990514
- 主分类号： C07C1700
- IPC分类号： C07C1700
摘要：
The invention relates to a process for preparing 4-chlorobiphenyl by (a) reacting biphenyl and chlorine in the presence of one or more ring-chlorination catalysts, and (b) subjecting the reaction mixture obtained in step (a) to fractional distillation to obtain 4-chlorobiphenyl.
公开/授权文献
- US2115685A Garment form 公开/授权日：1938-04-26
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