Granted Patent
Utility
US 5,273,659 · App. 07/726,598
Process of recovering a solid component from a solid composition by clarification and extraction
Inventors:
Chris Antoniou, Gaston de los Reyes, Eric Rudolph
Patented Case
View Patent ↗
Granted: Dec 28, 1993
Filed: Jul 8, 1991
Inventors
Chris Antoniou
Gaston de los Reyes
Eric Rudolph
Assignee (at issue)
Millipore Corporation
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.