Granted Patent
Utility
US 5,599,909 · App. 08/170,880
Process for reactivating purified membrane proteins
Inventors:
Karl Fickenscher, Norbert Zander
Patented Case
View Patent ↗
Granted: Feb 4, 1997
Filed: Dec 21, 1993
Inventors
Karl Fickenscher
Norbert Zander
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.