Granted Patent
Utility
US 4,814,526 · App. 07/078,665
Selective adsorption/separation of diiodonaphthalenes
Inventors:
Mark Rule, H. L. Browning, Jr.
Patented Case
View Patent ↗
Granted: Mar 21, 1989
Filed: Jul 28, 1987
Inventors
Mark Rule
H. L. Browning, Jr.
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.