Granted Patent
Utility
US 5,132,452 · App. 07/626,422
Method for preparation of gluconic acid by catalytic oxidation of glucose
Inventors:
Klaus Deller, Helmfried Krause, Erik Peldszus, Bertrand Despeyroux
Patented Case
View Patent ↗
Granted: Jul 21, 1992
Filed: Dec 14, 1990
Inventors
Klaus Deller
Helmfried Krause
Erik Peldszus
Bertrand Despeyroux
Assignee (at issue)
Degussa AG
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.