Granted Patent
Utility
US 5,227,540 · App. 07/919,310
Process for the preparation of primary and secondary fluorine-containing alcohols
Inventor:
Wolfgang Knaup
Patented Case
View Patent ↗
Granted: Jul 13, 1993
Filed: Jul 24, 1992
Inventor
Wolfgang Knaup
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.