Granted Patent
Utility
US 5,578,571 · App. 08/310,378
Cytostatic or cytotoxic combination of active substances for use in therapeutic procedures
Inventors:
Michael Zeppezauer, Hans-Peter Leinenbach
Patented Case
View Patent ↗
Granted: Nov 26, 1996
Filed: Sep 22, 1994
Inventors
Michael Zeppezauer
Hans-Peter Leinenbach
Assignee (at issue)
Symbiotec Gesellschaft zur Forschung und Entwicklung auf dem Gebiet der Biotechnologie mbH
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.