Granted Patent
Utility
US 5,563,038 · App. 08/154,340
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: Oct 8, 1996
Filed: Nov 18, 1993
Inventors
Arthur C. Switchenko
Nurith Kurn
Christian Neukom
Marcel Pirio
Donald E. Berger, Jr.
Edwin F. Ullman
Assignee (at issue)
Behringwerke Aktiengesellschaft
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.