Granted Patent
Utility
US 5,312,903 · App. 07/531,970
Lysine-glycosylated recombinant interleukin-2
Inventors:
Timo LINNA, Subramaniam Sabesan
Patented Case
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Granted: May 17, 1994
Filed: Jun 1, 1990
Inventors
Timo LINNA
Subramaniam Sabesan
Assignee (at issue)
E.I. DU PONT DE NEMOURS AND COMPANY
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.