Granted Patent
Utility
US 4,677,245 · App. 06/927,462
Novel motor fuel alkylation process
Inventors:
Joseph A. Kocal, Tamotsu Imai
Patented Case
View Patent ↗
Granted: Jun 30, 1987
Filed: Nov 6, 1986
Inventors
Joseph A. Kocal
Tamotsu Imai
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.