Granted Patent
Utility
US 5,082,819 · App. 07/581,702
Catalyst for catalytic gas phase oxidation of olefins into unsaturated aldehydes and method for making the catalyst
Inventors:
Wolfgang Boeck, Dietrich Arntz, Guenter Prescher, Werner Burkhardt
Patented Case
View Patent ↗
Granted: Jan 21, 1992
Filed: Sep 13, 1990
Inventors
Wolfgang Boeck
Dietrich Arntz
Guenter Prescher
Werner Burkhardt
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.