Granted Patent
Utility
US 4,814,525 · App. 07/029,951
Vapor phase bromination of aromatic compounds
Inventors:
Mark Rule, Donald W. Lane, Gerald Charles Tustin
Patented Case
View Patent ↗
Granted: Mar 21, 1989
Filed: Mar 25, 1987
Inventors
Mark Rule
Donald W. Lane
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.