发明名称 |
METHOD FOR PRODUCING TRIMELLITIC ACID |
摘要 |
PROBLEM TO BE SOLVED: To provide a method by which uncolored trimellitic anhydride is obtained in high yield when producing the trimellitic acid by oxidizing pseudocumene. SOLUTION: This method for producing the trimellitic acid is carried out by allowing the pseudocumene of an oxidation raw material to contain >=5 wt.% dimethylbenzaldehyde. |
申请公布号 |
JP2001354613(A) |
申请公布日期 |
2001.12.25 |
申请号 |
JP20000173925 |
申请日期 |
2000.06.09 |
申请人 |
MITSUBISHI GAS CHEM CO INC |
发明人 |
TANAKA KAZUO;OGAWA HIROSHI;MARUKI IKUTARO |
分类号 |
B01J31/04;C07B61/00;C07C51/265;C07C63/307 |
主分类号 |
B01J31/04 |
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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