Granted Patent
Utility
US 5,874,417 · App. 08/644,304
Functionalized derivatives of hyaluronic acid
Inventors:
Glenn D. Prestwich, Dale M. Marecak
Patented Case
View Patent ↗
Granted: Feb 23, 1999
Filed: May 10, 1996
Inventors
Glenn D. Prestwich
Dale M. Marecak
Assignee (at issue)
The Research Foundation of the State University of New York
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.