发明授权
US4073815A Process for the preparation of
2,2-bis(3,5-di-t-butyl-4-hydroxyphenyl)propane
失效
制备2,2-双(3,5-二叔丁基-4-羟基苯基)丙烷的方法
- 专利标题: Process for the preparation of 2,2-bis(3,5-di-t-butyl-4-hydroxyphenyl)propane
- 专利标题(中): 制备2,2-双(3,5-二叔丁基-4-羟基苯基)丙烷的方法
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申请号: US733816申请日: 1976-10-19
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公开(公告)号: US4073815A公开(公告)日: 1978-02-14
- 发明人: John W. Cornforth , John A. Schofield , Sidney J. French , Robin T. Gray
- 申请人: John W. Cornforth , John A. Schofield , Sidney J. French , Robin T. Gray
- 申请人地址: TX Houston
- 专利权人: Shell Oil Company
- 当前专利权人: Shell Oil Company
- 当前专利权人地址: TX Houston
- 优先权: UK43140/75 19751021
- 主分类号: C07C37/14
- IPC分类号: C07C37/14 ; C07C37/00 ; C07C39/16
摘要:
A process for the preparation of 2,2-bis(3,5-di-t-butyl-4-hydroxyphenyl)propane by reacting isobutylene with diphenylolpropane in the presence of a substantially anhydrous aromatic sulfonic acid.
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