Granted Patent
Utility
US 5,417,937 · App. 07/709,675
Apparatus for wet oxidation
Inventors:
Joachim Voigt, Rudolf Buttiker, Rolf Strub
Patented Case
View Patent ↗
Granted: May 23, 1995
Filed: Jun 3, 1991
Inventors
Joachim Voigt
Rudolf Buttiker
Rolf Strub
Assignee (at issue)
Ciba-Geigy
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.