发明公开
EP0047877A3 Biphenyl compounds, processes for their preparation and their use as intermediates in optical brighteners, dyes, plastics and pharmaceutical preparations
失效
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基本信息:
- 专利标题: Biphenyl compounds, processes for their preparation and their use as intermediates in optical brighteners, dyes, plastics and pharmaceutical preparations
- 专利标题(中):联苯化合物及其制备方法
- 申请号:EP81106467 申请日:1981-08-20
- 公开(公告)号:EP0047877A3 公开(公告)日:1982-06-02
- 发明人: Harnisch, Horst, Dr.
- 申请人: BAYER AG
- 专利权人: BAYER AG
- 当前专利权人: BAYER AG
- 优先权: DE3033002 19800902; DE3048088 19801219
- 主分类号: C07C103/375
- IPC分类号: C07C103/375 ; C07C103/76 ; C07C103/78 ; C07D209/48 ; C07C121/417 ; C07C143/56 ; C07D333/76 ; C07C87/30 ; C07C93/14 ; C07C33/26 ; C07C21/24