Granted Patent
Utility
US 5,426,239 · App. 08/181,306
Continuous process for the industrial manufacture of dimethoxyethanal
Inventors:
Gilles Dressaire, Alain Schouteeten
Patented Case
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Granted: Jun 20, 1995
Filed: Jan 13, 1994
Inventors
Gilles Dressaire
Alain Schouteeten
Assignee (at issue)
Societe Francaise Hoechst
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.