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Patents
Patents Examined by V. Gardner
Patents Examined by V. Gardner
Preparation process for glyoxylic acid by catalytic oxidation of glyoxal in an aqueous medium in the presence of catalytic quantities of platinum
Patent number:
5171884
Abstract:
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.
Type:
Grant
Filed:
January 22, 1991
Date of Patent:
December 15, 1992
Assignee:
Societe Francaise Hoechst
Inventors:
Regine de Mesantourne, Pierre Gallezot
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