Low pressure process for manufacture of 3-dimethylaminopropylamine (DMAPA)
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United States of America Patent
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Oct 4, 2005
Issued Date -
N/A
app pub date -
Dec 9, 2003
filing date -
Dec 23, 2002
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Expired
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Abstract
An improved process for the production of 3-dimethylaminopropylamine in high purity from N,N-dimethylaminopropionitrile utilizing a low pressure hydrogenation process is described. The basic process comprises contacting the nitrile with hydrogen at low pressure in the presence of a catalyst under conditions sufficient to effect the conversion of the nitrile to the primary amine product.
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