Granted Patent
Utility
US 6,171,825 · App. 09/146,708
Preparation of recombinant factor VIII in a protein free medium
Inventors:
Sham-Yuen Chan, Kathleen Harris
Patented Case
View Patent ↗
Granted: Jan 9, 2001
Filed: Sep 4, 1998
Inventors
Sham-Yuen Chan
Kathleen Harris
Assignee (at issue)
Bayer 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.