Granted Patent
Utility
US 6,558,658 · App. 09/824,265
Delivery of poly (ethylene glycol)-modified molecules from degradable hydrogels
Inventor:
J. Milton Harris
Patented Case
View Patent ↗
Granted: May 6, 2003
Filed: Apr 2, 2001
Inventor
J. Milton Harris
Assignee (at issue)
Debio Recherche Pharmaceutique S.A.
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.