发明授权
- 专利标题: Process for producing 2,6-dimethylnaphthalene
- 专利标题(中): 生产2,6-二甲基苯乙烯的方法
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申请号: US621260申请日: 1990-12-03
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公开(公告)号: US5068480A公开(公告)日: 1991-11-26
- 发明人: Makoto Takagawa , Ken Yamagishi , Jyun Yoshihara , Kenji Inamasa , Kumiko Watabe
- 申请人: Makoto Takagawa , Ken Yamagishi , Jyun Yoshihara , Kenji Inamasa , Kumiko Watabe
- 申请人地址: JPX Tokyo
- 专利权人: Mitsubishi Gas Chemical Company, Inc.
- 当前专利权人: Mitsubishi Gas Chemical Company, Inc.
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX1-310571 19891202; JPX2-46857 19900227
- 主分类号: C07C5/41
- IPC分类号: C07C5/41 ; C07C5/00
摘要:
A process for producing 2,6-dimethylnaphthalene, which comprises subjecting 2-methyl-1-(p-tolyl)-butene, 2-methyl-1-(p-tolyl)-butane or a mixture of these to cyclization and dehydrogenation in the presence of a catalyst comprising lead oxide and/or indium oxide and aluminum oxide.
公开/授权文献
- US5706705A Low profile push-button mechanical remote control 公开/授权日:1998-01-13
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