Granted Patent
Utility
US 4,824,988 · App. 07/112,398
Process for recovering cuprous iodide catalyst used in synthesis of (trifluoromethyl)napthalenes
Inventors:
Ronny W. Lin, Venkataraman Ramachandran
Patented Case
View Patent ↗
Granted: Apr 25, 1989
Filed: Oct 26, 1987
Inventors
Ronny W. Lin
Venkataraman Ramachandran
Assignee (at issue)
Ethyl Corporation
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.