Granted Patent
Utility
US 4,776,946 · App. 07/044,956
Hydrodewaxing process utilizing a catalyst containing a siliceous metal-containing crystalline composition
Inventor:
Eric L. Moorehead
Patented Case
View Patent ↗
Granted: Oct 11, 1988
Filed: May 1, 1987
Inventor
Eric L. Moorehead
Assignee (at issue)
Union Oil Company of California
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.