| 发明名称 |
Catalyst and method for purifying crude terephthalic acid isophtalic acid or naphthalene dicarboxylic acid |
| 摘要 |
A method is disclosed for the purification of crude terephthalic acid, crude isophthalic acid or a crude naphthalene dicarboxylic acid that employs a titanium dioxide-supported purification catalyst. |
| 申请公布号 |
PH29933(A) |
申请公布日期 |
1996.09.16 |
| 申请号 |
PH19350000474 |
申请日期 |
1993.12.13 |
| 申请人 |
SCHROEDER HOBE;WITTMAN, RICKY, L. |
发明人 |
SCHROEDER HOBE;WITTMAN, RICKY, L. |
| 分类号 |
B01J21/06;C07C51/487;C07C63/24;C07C63/26;C07C63/38 |
主分类号 |
B01J21/06 |
| 代理机构 |
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