发明授权
- 专利标题: Process for preparing dithiobisphenols
- 专利标题(中): 二硫代双酚的制备方法
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申请号: US212852申请日: 1988-06-29
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公开(公告)号: US4898980A公开(公告)日: 1990-02-06
- 发明人: Linda A. Benjamin , Stephen D. Pastor , John J. Luzzi
- 申请人: Linda A. Benjamin , Stephen D. Pastor , John J. Luzzi
- 申请人地址: NY Ardsley
- 专利权人: Ciba-Geigy Corporation
- 当前专利权人: Ciba-Geigy Corporation
- 当前专利权人地址: NY Ardsley
- 主分类号: B01J31/02
- IPC分类号: B01J31/02 ; C07B61/00 ; C07C319/24 ; C07C323/20
摘要:
An improved process for preparing dithiobisphenols wherein the appropriate phenol is reacted with sulfur monochloride in the presence of substantially molar amounts of an aliphatic or heterocyclic amine.
公开/授权文献
- US5506476A Field emission cathode 公开/授权日:1996-04-09
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