Granted Patent
Utility
US 6,333,434 · App. 09/707,180
Preparation of trifluoromethylanilines
Inventors:
Albrecht Marhold, Kathe Baumann
Patented Case
View Patent ↗
Granted: Dec 25, 2001
Filed: Nov 6, 2000
Inventors
Albrecht Marhold
Kathe Baumann
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.