发明名称 |
Catalyst to improve the colour stability of N,N-dialkylalkanolamines |
摘要 |
This invention relates to an improvement in a process for effecting decolorization of an alkanolamine by subjecting the alkanolamine to hydrogenation in the presence of a hydrogenation catalyst. The improvement for removing color, by-products, or both from a dialkylalkanolamine represented by the formula: wherein R and R1 are methyl, ethyl, or a mixture thereof, which comprises: utilizing a catalyst comprised of palladium carried on gamma alumina as the hydrogenation catalyst.
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申请公布号 |
US2004110988(A1) |
申请公布日期 |
2004.06.10 |
申请号 |
US20020313560 |
申请日期 |
2002.12.06 |
申请人 |
DELANGHE NATHALIE CECILE;VEDAGE GAMINI ANANDA;WILHELM FREDERICK CARL |
发明人 |
DELANGHE NATHALIE CECILE;VEDAGE GAMINI ANANDA;WILHELM FREDERICK CARL |
分类号 |
C07C213/10;C07C215/08;(IPC1-7):C07C215/08 |
主分类号 |
C07C213/10 |
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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