发明授权
- 专利标题: Process for producing 2 hydroxy-naphthalene-3-carboxylic acid
- 专利标题(中): 2-羟基 - 萘-3-羧酸的制备方法
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申请号: US218973申请日: 1980-12-22
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公开(公告)号: US4297508A公开(公告)日: 1981-10-27
- 发明人: Yuzo Maegawa , Fujio Masuko , Makoto Nakamura
- 申请人: Yuzo Maegawa , Fujio Masuko , Makoto Nakamura
- 申请人地址: JPX Osaka
- 专利权人: Sumitomo Chemical Company, Limited
- 当前专利权人: Sumitomo Chemical Company, Limited
- 当前专利权人地址: JPX Osaka
- 优先权: JPX54-170056 19791225; JPX55-132033 19800922
- 主分类号: C07C51/15
- IPC分类号: C07C51/15
摘要:
A process for producing 2-hydroxynaphthalene-3-carboxylic acid comprising reacting carbon dioxide with a homogeneous liquid mixture comprising an alkali metal salt of .beta.-naphthol, .beta.-naphthol and a specific alkylbenzene is disclosed.
公开/授权文献
- US5571970A Pressure sensor 公开/授权日:1996-11-05
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