发明授权
US5171884A Preparation process for glyoxylic acid by catalytic oxidation of glyoxal
in an aqueous medium in the presence of catalytic quantities of platinum
失效
在铂族催化剂存在下,通过在水性介质中催化氧化GLYOXYAC酸的制备方法
- 专利标题: Preparation process for glyoxylic acid by catalytic oxidation of glyoxal in an aqueous medium in the presence of catalytic quantities of platinum
- 专利标题(中): 在铂族催化剂存在下,通过在水性介质中催化氧化GLYOXYAC酸的制备方法
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申请号: US644043申请日: 1991-01-22
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公开(公告)号: US5171884A公开(公告)日: 1992-12-15
- 发明人: Regine de Mesantourne , Pierre Gallezot
- 申请人: Regine de Mesantourne , Pierre Gallezot
- 申请人地址: FRX Puteaux
- 专利权人: Societe Francaise Hoechst
- 当前专利权人: Societe Francaise Hoechst
- 当前专利权人地址: FRX Puteaux
- 优先权: FRX9000734 19900123
- 主分类号: B01J23/42
- IPC分类号: B01J23/42 ; C07B61/00 ; C07C51/235 ; C07C59/153
摘要:
Preparation process for glyoxylic acid in which glyoxal is subjected to a heterogeneous catalytic oxidation in an aqueous medium by oxygen in the presence of catalytic quantities of platinum.
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