Granted Patent
Utility
US 6,150,573 · App. 08/369,207
Concurrent production of trichloroethane isomers
Inventors:
Tommy G. Taylor, J. Douglas Mansell, John P. Shamburger, Mark E. Woodyear
Patented Case
View Patent ↗
Granted: Nov 21, 2000
Filed: Jan 5, 1995
Inventors
Tommy G. Taylor
J. Douglas Mansell
John P. Shamburger
Mark E. Woodyear
Assignee (at issue)
PPG Industries Ohio, Inc.
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.