| 发明名称 |
PREPARATION OF TEREPHTHALIC ACID FROM PPTOLUALDEHYDE |
| 摘要 |
PURPOSE:To prepare high-quality terephthalic acid in high yield by reserving ptolualdehyde substantially in absence of oxygen before feeding into the oxidation apparatus, and reacting in the presence of heavy metal salt catalysts in acetic acid. |
| 申请公布号 |
JPS53124230(A) |
申请公布日期 |
1978.10.30 |
| 申请号 |
JP19770038065 |
申请日期 |
1977.04.05 |
| 申请人 |
MITSUBISHI GAS CHEMICAL CO |
发明人 |
SUZUKI TAKASHI;TATEISHI AKIRA;NAITOU SUSUMU;HIGUCHI HIROBUMI |
| 分类号 |
C07C63/26;C07C51/00;C07C67/00 |
主分类号 |
C07C63/26 |
| 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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