| 发明名称 |
PREPARATION OF TEREPHTHALIC ACID |
| 摘要 |
PURPOSE:To prepare highly pure terephthalic acid for direct polymerization with reducing impurities and the loss of a solvent by oxidation of p-xylene with molecular oxygen in acetic acid as a solvent in the presence of catalysts (of low concn.) and specific content of water. |
| 申请公布号 |
JPS5365841(A) |
申请公布日期 |
1978.06.12 |
| 申请号 |
JP19760142046 |
申请日期 |
1976.11.26 |
| 申请人 |
ASAHI CHEMICAL IND |
发明人 |
SEKO MAOMI;MIYAKE TETSUYA;TAKEUCHI HIROSHI;TAUCHI MASATOSHI |
| 分类号 |
C07C63/26;B01J27/00;B01J27/06;C07B61/00;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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