发明名称 |
Process for preparing purified carboxylic acids |
摘要 |
A process for preparing an aromatic carboxylic acid having improved purity comprising contacting at an elevated temperature and pressure a mixture comprising an impure aromatic carboxylic acid and a solvent in the presence of hydrogen gas with a carbon catalyst which is essentially free of a hydrogenation metal component. |
申请公布号 |
AU1618699(A) |
申请公布日期 |
1999.06.28 |
申请号 |
AU19990016186 |
申请日期 |
1998.12.02 |
申请人 |
AMOCO CORPORATION |
发明人 |
DAVID L SIKKENGA;M. MICHELLE MORIE-BEBEL;STEPHEN V HOOVER |
分类号 |
C07C51/487 |
主分类号 |
C07C51/487 |
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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