Process for preparing 4-cyanopentanoic acid
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United States of America Patent
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Apr 22, 2003
Grant Date -
Nov 7, 2002
app pub date -
Jan 22, 2001
filing date -
Jul 12, 1999
priority date (Note) -
Expired
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Abstract
This invention relates to an improved process for preparing a carboxylic acid from the corresponding nitrile using a nitrilase catalyst. More particularly, the instant invention converts 2-methylglutaronitrile to 4-cyanopentanoic acid in aqueous solution using an enzyme catalyst having an nitrilase activity, immobilized in alginate, and crosslinked with glutaraldehyde and polyethylenimine.
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