Granted Patent
Utility
US 5,773,667 · App. 08/856,212
Process for preparing aldehyes
Inventors:
Helmut Bahrmann, Thomas Muller, Rainer Lukas
Patented Case
View Patent ↗
Granted: Jun 30, 1998
Filed: May 14, 1997
Inventors
Helmut Bahrmann
Thomas Muller
Rainer Lukas
Assignee (at issue)
Hoechst GmbH
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.