Granted Patent
Utility
US 5,268,097 · App. 07/956,404
Passivated and stabilized porous mineral oxide supports and method for the preparation and use of same
Inventors:
Pierre Girot, Egisto Boschetti
Patented Case
View Patent ↗
Granted: Dec 7, 1993
Filed: Oct 5, 1992
Inventors
Pierre Girot
Egisto Boschetti
Assignee (at issue)
Sepracor, Inc.
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.