发明名称 |
3-Hydroxycarboxylic acid production and use in branched polymers |
摘要 |
This invention relates to a process for the preparation of a 3-hydroxycarboxylic acid from a 3-hydroxynitrile. More specifically, 3-hydroxyvaleronitrile is converted to 3-hydroxyvaleric acid in high yield at up to 100% conversion, using as an enzyme catalyst 1) nitrile hydratase activity and amidase activity or 2) nitrilase activity of a microbial cell. 3-Hydroxyvaleric acid is used as a substitute for epsilon-caprolactone in the preparation of highly branched copolyester.
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申请公布号 |
US7138480(B2) |
申请公布日期 |
2006.11.21 |
申请号 |
US20030378201 |
申请日期 |
2003.03.03 |
申请人 |
E. I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
BRAMUCCI MICHAEL G.;DICOSIMO ROBERT;FALLON ROBERT;GAVAGAN JOHN E.;HERKES FRANK;WILCZEK LECH |
分类号 |
C08G63/06;C08G63/85;C12N1/20;C12P7/42;C12P7/62;C12R1/01;C12R1/40 |
主分类号 |
C08G63/06 |
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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