Granted Patent
Utility
US 4,665,271 · App. 06/887,778
Novel motor fuel alkylation catalyst and process for the use thereof
Inventors:
Tamotsu Imai, Joseph A. Kocal
Patented Case
View Patent ↗
Granted: May 12, 1987
Filed: Jul 21, 1986
Inventors
Tamotsu Imai
Joseph A. Kocal
Assignee (at issue)
UOP LLC
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.