Granted Patent
Utility
US 4,818,508 · App. 06/767,363
Process for preparing molecular sieve bodies
Inventors:
William H. Flank, Walter P. Fethke, Jr., Julio C. Marte
Patented Case
View Patent ↗
Granted: Apr 4, 1989
Filed: Aug 20, 1985
Inventors
William H. Flank
Walter P. Fethke, Jr.
Julio C. Marte
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.