Granted Patent
Utility
US 5,840,508 · App. 08/455,424
Compositions and methods for removal of detergents
Inventors:
Arthur C. Switchenko, Nurith Kurn, Christian Neukom, Marcel Pirio, Donald E. Berger, Jr., Edwin F. Ullman
Patented Case
View Patent ↗
Granted: Nov 24, 1998
Filed: May 31, 1995
Inventors
Arthur C. Switchenko
Nurith Kurn
Christian Neukom
Marcel Pirio
Donald E. Berger, Jr.
Edwin F. Ullman
Assignee (at issue)
Behring Diagnostics GmbH
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.