Granted Patent
Utility
US 4,247,727 · App. 06/101,942
Dehydrocoupling of toluene
Inventors:
Samuel J. Tremont, Alex N. Williamson
Patented Case
View Patent ↗
Granted: Jan 27, 1981
Filed: Dec 10, 1979
Inventors
Samuel J. Tremont
Alex N. Williamson
Assignee (at issue)
Monsanto 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.