| 发明名称 |
Purification of chemical 1,3-propanediol |
| 摘要 |
Disclosed is a process comprising contacting chemical 1,3-propanediol with hydrogen in the presence of a hydrogenation catalyst. Preferably, the chemical 1,3-propanediol, before the contacting has an initial color and, after the contacting, has a color that is lower than the initial color.
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| 申请公布号 |
US2005272962(A1) |
申请公布日期 |
2005.12.08 |
| 申请号 |
US20050203029 |
申请日期 |
2005.08.12 |
| 申请人 |
SUNKARA HARI B;SEAPAN MAYIS;DIFFENDALL GEORGE F;AMES TYLER T |
发明人 |
SUNKARA HARI B.;SEAPAN MAYIS;DIFFENDALL GEORGE F.;AMES TYLER T. |
| 分类号 |
C07C29/80;C07C29/90;(IPC1-7):C07C29/14 |
主分类号 |
C07C29/80 |
| 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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