发明授权
- 专利标题: Liquid phase oxidation of halogenated ortho-xylenes
- 专利标题(中): 卤化邻二甲苯的液相氧化
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申请号: US10063113申请日: 2002-03-22
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公开(公告)号: US06657068B2公开(公告)日: 2003-12-02
- 发明人: Robert Edgar Colborn , David Bruce Hall , Peter Koch , Gerald Oeckel
- 申请人: Robert Edgar Colborn , David Bruce Hall , Peter Koch , Gerald Oeckel
- 主分类号: C07D20948
- IPC分类号: C07D20948
摘要:
A method for the manufacture of halophthalic acid by liquid phase oxidation of halo-ortho-xylene is disclosed. The halophthalic acid may be dehydrated to form halophthalic anhydride which is useful in the synthesis of polyetherimide.
公开/授权文献
- US20030181757A1 LIQUID PHASE OXIDATION OF HALOGENATED ORTHO-XYLENES 公开/授权日:2003-09-25
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