Granted Patent
Utility
US 5,679,776 · App. 07/577,368
Process for preparing a concentrate of blood coagulation factor VIII-von willebrand factor complex from total plasma
Inventors:
Miryana Burnouf-Radosevich, Thierry Burnouf
Patented Case
View Patent ↗
Granted: Oct 21, 1997
Filed: Sep 5, 1990
Inventors
Miryana Burnouf-Radosevich
Thierry Burnouf
Assignee (at issue)
Centre Regional de Transfusion Sanguine de Lille
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.