Granted Patent
Utility
US 5,659,078 · App. 08/509,516
Process for the preparation of trichloroacetyl chloride
Inventors:
Frank Ebmeyer, Tobias Metzenthin, Gunter Siegemund
Patented Case
View Patent ↗
Granted: Aug 19, 1997
Filed: Jul 31, 1995
Inventors
Frank Ebmeyer
Tobias Metzenthin
Gunter Siegemund
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.