发明授权
- 专利标题: Preparation of chlorinated violanthrones or isoviolanthrones
- 专利标题(中): 制备氯化的十六酮或异月桂酮
-
申请号: US386665申请日: 1995-02-10
-
公开(公告)号: US5554774A公开(公告)日: 1996-09-10
- 发明人: Udo Bergmann , Gerhard Sch afer , Heinrich Kowarsch
- 申请人: Udo Bergmann , Gerhard Sch afer , Heinrich Kowarsch
- 申请人地址: DEX Ludwigshafen
- 专利权人: BASF Aktiengesellschaft
- 当前专利权人: BASF Aktiengesellschaft
- 当前专利权人地址: DEX Ludwigshafen
- 优先权: DEX4404587.5 19940212
- 主分类号: C09B3/32
- IPC分类号: C09B3/32 ; C09B3/82 ; C07C50/36
摘要:
Chlorinated violanthrones or isoviolanthrones are prepared by reacting violanthrone or isoviolanthrone with chlorine in the presence of a diluent, using aliphatic carboxylic acids and/or aliphatic halo carboxylic acids as diluent for this purpose.
公开/授权文献
- US4993559A Wafer carrier 公开/授权日:1991-02-19
信息查询