- 专利标题: PROCEDE PERFECTIONNE DE FABRICATION D'ANHYDRIDES SYMETRIQUES
- 专利标题(英): Improved method for producing symmetrical anhydrides
- 专利标题(中): 用于生产对称酸酐
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申请号: EP00968006.7申请日: 2000-10-11
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公开(公告)号: EP1261575A2公开(公告)日: 2002-12-04
- 发明人: PAUL, Jean-Michel , FABIS, Frédéric , RAULT, Sylvain
- 申请人: Atofina
- 申请人地址: 4/8 Cours Michelet 92800 Puteaux FR
- 专利权人: Atofina
- 当前专利权人: Atofina
- 当前专利权人地址: 4/8 Cours Michelet 92800 Puteaux FR
- 优先权: FR9913015 19991019
- 国际公布: WO01028969 20010426
- 主分类号: C07C51/567
- IPC分类号: C07C51/567 ; C07C57/04
摘要:
A symmetrical anhydride of formula (I) is produced by reacting a mixed anhydride (II) with a carboxylic acid (III), R1 being alkyl, alkenyl, aryl, alkylaryl, aralkyl; R2 being alkyl in C¿1?-C40, alkenyl in C1-C40, aryl, aryl-(alkyl in C1-C40) and (alkyl en C1-C40)-aryl.
公开/授权文献
- EP1261575B1 PROCEDE PERFECTIONNE DE FABRICATION D'ANHYDRIDES SYMETRIQUES 公开/授权日:2004-12-29
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