Granted Patent
Utility
US 4,634,801 · App. 06/791,289
Motor fuel alkylation process utilizing low acid
Inventors:
Joseph A. Kocal, Tamotsu Imai
Patented Case
View Patent ↗
Granted: Jan 6, 1987
Filed: Oct 25, 1985
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.