Granted Patent
Utility
US 4,762,954 · App. 07/082,516
Continuous method for the production of 1,2-diols
Inventors:
Rainer Siegmeier, Gunther Prescher, Helmut Maurer
Patented Case
View Patent ↗
Granted: Aug 9, 1988
Filed: Aug 7, 1987
Inventors
Rainer Siegmeier
Gunther Prescher
Helmut Maurer
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.