发明授权
- 专利标题： Process for producing .alpha.-hydroxyisobutyric acid
- 专利标题（中）： 生产（ALPHA） - 羟基丁酸的方法
-
申请号： US618058申请日： 1990-11-23
-
公开(公告)号： US5053535A公开(公告)日： 1991-10-01
- 发明人: Yoshikazu Shima , Takafumi Abe , Hirofumi Higuchi , Koichi Kida
- 申请人： Yoshikazu Shima , Takafumi Abe , Hirofumi Higuchi , Koichi Kida
- 申请人地址： JPX Tokyo
- 专利权人： Mitsubishi Gas Chemical Company, Inc.
- 当前专利权人： Mitsubishi Gas Chemical Company, Inc.
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX2-73381 19900326
- 主分类号： B01J31/08
- IPC分类号： B01J31/08 ; C07B61/00 ; C07C51/09 ; C07C59/01
摘要：
A process for producing an .alpha.-hydroxyisobutyric acid which comprises hydrolyzing .alpha.-hydroxyisobutyric acid ester in the presence of an organic sulfonic acid catalyst, using an .alpha.-hydroxyisobutyric acid ester as the starting material.According to said process, .alpha.-hydroxyisobutyric acid can be efficiently produced.
公开/授权文献
- US5726367A Apparatus and method for testing spring powered switches 公开/授权日：1998-03-10
信息查询
