Granted Patent
Utility
US 5,744,021 · App. 08/770,325
2-alkylmercapto-4-(trifluoromethyl)benzoic esters and a process for their preparation
Inventors:
Peter Brungs, Thomas D. Karcher, Klaus Kuhlein, Hans Millauer, Manfred Wildt
Patented Case
View Patent ↗
Granted: Apr 28, 1998
Filed: Dec 20, 1996
Inventors
Peter Brungs
Thomas D. Karcher
Klaus Kuhlein
Hans Millauer
Manfred Wildt
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.