Granted Patent
Utility
US 5,874,656 · App. 08/946,292
Process for preparing o-alkylfluorobenzenes
Inventors:
Norbert Lui, Michael Harold Rock
Patented Case
View Patent ↗
Granted: Feb 23, 1999
Filed: Oct 7, 1997
Inventors
Norbert Lui
Michael Harold Rock
Assignee (at issue)
Bayer Aktiengesellschaft
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.