Granted Patent
Utility
US 4,806,697 · App. 07/029,949
Selective liquid phase disproportionation catalysts for iodoaromatics
Inventors:
Mark Rule, Gerald Charles Tustin
Patented Case
View Patent ↗
Granted: Feb 21, 1989
Filed: Mar 25, 1987
Inventors
Mark Rule
Gerald Charles Tustin
Assignee (at issue)
EASTMAN KODAK COMPANY
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.