Granted Patent
Utility
US 5,185,485 · App. 07/722,785
Process for preparing alkylbenzene
Inventors:
David R. Dyroff, Prakasa Rao Anantaneni
Patented Case
View Patent ↗
Granted: Feb 9, 1993
Filed: Jun 28, 1991
Inventors
David R. Dyroff
Prakasa Rao Anantaneni
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.