Granted Patent
Utility
US 4,764,635 · App. 06/896,461
Aromatization process
Inventors:
Venkataraman Ramachandran, David M. Mohr
Patented Case
View Patent ↗
Granted: Aug 16, 1988
Filed: Aug 14, 1986
Inventors
Venkataraman Ramachandran
David M. Mohr
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.