| 发明名称 |
PURIFICATION PROCESS FOR DIMETHYL TEREPHTHALATE |
| 摘要 |
Crude dimethyl terephthalate is purified by crystallizing dimethyl terephthalate from a solution of the crude dimethyl terephthalate in methyl p-toluate followed by separating the dimethyl terephthalate from the methyl p-toluate solution.
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| 申请公布号 |
US3686276(A) |
申请公布日期 |
1972.08.22 |
| 申请号 |
USD3686276 |
申请日期 |
1969.06.02 |
| 申请人 |
E.I. DU PONT DE NEMOURS AND CO. |
发明人 |
ROBERT DONALD SLOCKETT |
| 分类号 |
C07C69/82;(IPC1-7):C07C69/82 |
主分类号 |
C07C69/82 |
| 代理机构 |
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代理人 |
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| 地址 |
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