发明名称 |
PROCESS FOR THE PRODUCTION OF CARBOXYLIC ACIDS |
摘要 |
A process for the production of a carboxylic acid or its ester by catalytic liquid phase oxidation of a corresponding precursor in acetic acid as solvent, said process comprising: (i) forming a reaction medium comprising acetic acid, oxidation catalyst, precursor and oxidant; (ii) optionally recycling methyl acetate produced from the acetic acid as a by-product back to the reaction medium; (iii) introducing additional methyl acetate and/or methanol into the reaction medium, said additional methyl acetate and/or methanol being additional to any recovered methyl acetate recycled back to the reaction medium.
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申请公布号 |
WO03095408(A1) |
申请公布日期 |
2003.11.20 |
申请号 |
WO2003US13772 |
申请日期 |
2003.05.06 |
申请人 |
E. I. DU PONT DE NEMOURS AND COMPANY;WHISTON, KEITH;JONES, GRAHAM, HOWARD |
发明人 |
WHISTON, KEITH;JONES, GRAHAM, HOWARD |
分类号 |
C07C51/265;(IPC1-7):C07C51/00 |
主分类号 |
C07C51/265 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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