Granted Patent
Utility
US 4,465,779 · App. 06/375,378
Modified cracking catalyst composition
Inventors:
Mario L. Occelli, James V. Kennedy
Patented Case
View Patent ↗
Granted: Aug 14, 1984
Filed: May 6, 1982
Inventors
Mario L. Occelli
James V. Kennedy
Assignee (at issue)
Gulf Research & Development Company
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.