| 发明名称 |
PROCESS FOR THE PRODUCTION OF AROMATIC ANHYDRIDES AND AROMATIC ESTERS WITH SUPERIOR COLOR PROPERTIES |
| 摘要 |
A process for the production of aromatic esters or aromatic anhydrides with improved color properties is disclosed. This process comprises treating the aromatic ester or aromatic anhydride with an activated boric acid followed by fractionation.
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| 申请公布号 |
US5101050(A) |
申请公布日期 |
1992.03.31 |
| 申请号 |
US19900606603 |
申请日期 |
1990.10.31 |
| 申请人 |
AMOCO CORPORATION |
发明人 |
PARK, CHANG M.;COATES, RONALD;HOLZHAUER, JUERGEN K.;PETERSON, JOHN V. |
| 分类号 |
C07C67/48;C07C51/42;C07C51/487;C07C51/573;C07C67/60;C07C69/76;C07D307/89 |
主分类号 |
C07C67/48 |
| 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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