Granted Patent
Utility
US 5,532,150 · App. 08/245,999
Low diol polyalkylene oxide biologically active proteinaceous substances
Inventors:
Robert A. Snow, David L. Ladd, Denton W. Hoyer
Patented Case
View Patent ↗
Granted: Jul 2, 1996
Filed: May 19, 1994
Inventors
Robert A. Snow
David L. Ladd
Denton W. Hoyer
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.