Granted Patent
Utility
US 5,618,528 · App. 08/203,106
Biologically compatible linear block copolymers of polyalkylene oxide and peptide units
Inventors:
Eugene R. Cooper, Stephen Philip Jones, Colin William POUTON, Michael D. Threadgill
Patented Case
View Patent ↗
Granted: Apr 8, 1997
Filed: Feb 28, 1994
Inventors
Eugene R. Cooper
Stephen Philip Jones
Colin William POUTON
Michael D. Threadgill
Assignee (at issue)
Sterling Winthrop 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.