Granted Patent
Utility
US 5,609,868 · App. 08/288,671
Pharmaceutical compositions comprising hybrid .alpha.-interferon
Inventors:
Nicholas Lowther, John David Allen, Colin Howes
Patented Case
View Patent ↗
Granted: Mar 11, 1997
Filed: Aug 10, 1994
Inventors
Nicholas Lowther
John David Allen
Colin Howes
Assignee (at issue)
Ciba-Geigy
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.