| 发明名称 |
PREPARATION OF TEREPHTAHALIC ACID |
| 摘要 |
PURPOSE:To prepare terephthalic acid in high yield by separation of p-toluic acid methylester from the reaction mixture obtd. by oxidation of p-xylene or p-toluic acid, followed by addition of the prescribed amt. of water to the residue and heating. |
| 申请公布号 |
JPS53144540(A) |
申请公布日期 |
1978.12.15 |
| 申请号 |
JP19770056306 |
申请日期 |
1977.05.18 |
| 申请人 |
TEIJIN LTD |
发明人 |
AZUMA SHIZUO;YAMAMOTO KIYOSHI;HIROSE ISAO;SUZUKI MASAO;SAKAI HIROSHI;KATOU KENICHI;OKITSU HIROYUKI |
| 分类号 |
C07C63/26;B01J31/00;B01J31/02;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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| 主权项 |
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| 地址 |
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