发明授权
- 专利标题： Reduction of the carbonyl value of carboxylic acids and derivatives of carboxylic acids and derivatives of carboxylic acids
- 专利标题（中）： 羧酸和羧酸衍生物以及羧酸衍生物的羰基值的降低
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申请号： US09258229申请日： 1999-02-26
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公开(公告)号： US06245942B1公开(公告)日： 2001-06-12
- 发明人: Michael D. Staley
- 申请人： Michael D. Staley
- 主分类号： C07C5142
- IPC分类号： C07C5142
摘要：
A method for reducing the carbonyl value of a composition containing carboxylic acid or carboxylic acid derivative includes contacting the composition containing carboxylic acid or carboxylic acid derivative with an amount of a catalyst and active methylene compound effective to lower the carboxyl value of the composition.