Granted Patent
Utility
US 6,441,239 · App. 10/029,535
Process for preparing 2-(4-trifluoromethoxyphenyl)ethylamine and 4-bromomethyl-and 4-chloromethyl-1-trifluoromethoxybenzene
Inventors:
Albrecht Marhold, Peter Muller
Patented Case
View Patent ↗
Granted: Aug 27, 2002
Filed: Dec 20, 2001
Inventors
Albrecht Marhold
Peter Muller
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.