Granted Patent
Utility
US 5,457,986 · App. 08/189,395
Process for evaluating solute retention characteristics of membranes
Inventors:
Anthony DiLeo, Michael W. Phillips
Patented Case
View Patent ↗
Granted: Oct 17, 1995
Filed: Jan 28, 1994
Inventors
Anthony DiLeo
Michael W. Phillips
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.