发明授权
- 专利标题: Preparation of pyrazoles
- 专利标题(中): 制备吡唑
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申请号: US283650申请日: 1981-07-15
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公开(公告)号: US4424364A公开(公告)日: 1984-01-03
- 发明人: Norbert Goetz , Dietrich Mangold , Josef Wahl
- 申请人: Norbert Goetz , Dietrich Mangold , Josef Wahl
- 申请人地址: DEX
- 专利权人: BASF Aktiengesellschaft
- 当前专利权人: BASF Aktiengesellschaft
- 当前专利权人地址: DEX
- 优先权: DEX3029160 19800801
- 主分类号: C07D231/10
- IPC分类号: C07D231/10 ; C07D231/12
摘要:
A process for the preparation of pyrazoles by reacting a pyrazoline with sulfur or selenium in a solvent.
公开/授权文献
- US4988875A Near infrared polyethylene inspection system and method 公开/授权日:1991-01-29
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