| 发明名称 |
Hydrogenation of phthalic acids to cyclohexanedicarboxylic acid |
| 摘要 |
The present invention relates to an improved process for the hydrogenation of phthalic acids over a supported palladium catalyst. Phthalic acids are hydrogenated with improved selectivity in aqueous solution over palladium on carbon catalyst to give cyclohexanedicarboxylic acids (CHDA).
|
| 申请公布号 |
US6291706(B1) |
申请公布日期 |
2001.09.18 |
| 申请号 |
US19990335198 |
申请日期 |
1999.06.17 |
| 申请人 |
EASTMAN CHEMICAL COMPANY |
发明人 |
SUMNER, JR. CHARLES EDWAN;GUSTAFSON BRUCE LEROY |
| 分类号 |
B01J23/44;C07B61/00;C07C51/36;C07C61/09;(IPC1-7):C07C61/09 |
主分类号 |
B01J23/44 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
