Granted Patent
Utility
US 5,659,017 · App. 08/554,724
Anion exchange process for the purification of Factor VIII
Inventors:
Prabir Bhattacharya, Toshiharu Motokubota, Norman M. Fedalizo
Patented Case
View Patent ↗
Granted: Aug 19, 1997
Filed: Nov 7, 1995
Inventors
Prabir Bhattacharya
Toshiharu Motokubota
Norman M. Fedalizo
Assignee (at issue)
Alpha Therapeutic Corporation
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.