Granted Patent
Utility
US 5,136,107 · App. 07/532,736
Process for halogenating aromatic compounds
Inventors:
Eddie M. Stephens, James C. Holly
Patented Case
View Patent ↗
Granted: Aug 4, 1992
Filed: Jun 4, 1990
Inventors
Eddie M. Stephens
James C. Holly
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.