Granted Patent
Utility
US 4,840,779 · App. 06/752,555
Crystalline zeolite LZ-202 and process for preparing same
Inventor:
Thomas R. Cannan
Patented Case
View Patent ↗
Granted: Jun 20, 1989
Filed: Jul 8, 1985
Inventor
Thomas R. Cannan
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.