Granted Patent
Utility
US 6,399,336 · App. 09/007,741
Practical in vitro sialylation of recombinant glycoproteins
Inventors:
James C. Paulson, Robert J. Bayer, Eric Sjoberg
Patented Case
View Patent ↗
Granted: Jun 4, 2002
Filed: Jan 15, 1998
Inventors
James C. Paulson
Robert J. Bayer
Eric Sjoberg
Assignee (at issue)
Neose Technologies, Inc.
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.