Granted Patent
Utility
US 5,360,468 · App. 07/984,037
Sulfur absorbents
Inventor:
Paul F. Schubert
Patented Case
View Patent ↗
Granted: Nov 1, 1994
Filed: Dec 1, 1992
Inventor
Paul F. Schubert
Assignee (at issue)
Phillips Petroleum 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.