Granted Patent
Utility
US 6,130,318 · App. 08/765,012
hIL-4 mutant proteins used as antagonists or partial agonists of human interleukin 4
Inventors:
Hanno Wild, Rudolf Hanko, Michael Dorschug, Hans-Dietrich Horlein, Jurgen Beunink, Heiner Apeler, Hermann Wehlmann, Walter Sebald
Patented Case
View Patent ↗
Granted: Oct 10, 2000
Filed: Dec 19, 1996
Inventors
Hanno Wild
Rudolf Hanko
Michael Dorschug
Hans-Dietrich Horlein
Jurgen Beunink
Heiner Apeler
Hermann Wehlmann
Walter Sebald
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.