Granted Patent
Utility
US 3,969,276 · App. 05/560,279
Method of manufacturing a zeolitic adsorbent
Inventor:
Donald H. Rosback
Patented Case
View Patent ↗
Granted: Jul 13, 1976
Filed: Mar 19, 1975
Inventor
Donald H. Rosback
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.