Granted Patent
Utility
US 5,908,621 · App. 08/839,101
Polyethylene glycol modified interferon therapy
Inventors:
Paul William Glue, David Lawrence Cutler, Melton B. Affrime
Patented Case
View Patent ↗
Granted: Jun 1, 1999
Filed: Apr 29, 1997
Inventors
Paul William Glue
David Lawrence Cutler
Melton B. Affrime
Assignee (at issue)
SCHERING CORPORATION
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.