Granted Patent
Utility
US 6,184,417 · App. 09/403,962
Method for preparing acetophenones with a fluoralkyl-substituted aromatic nucleus
Inventors:
Wulf Kuhnle, Albrecht Marhold, Guido Steffan
Patented Case
View Patent ↗
Granted: Feb 6, 2001
Filed: Nov 1, 1999
Inventors
Wulf Kuhnle
Albrecht Marhold
Guido Steffan
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.