Granted Patent
Utility
US 5,712,326 · App. 08/290,901
Polymeric blends with zwitterionic groups
Inventors:
Stephen Alister Jones, Peter William Stratford, Stephen Rimmer
Patented Case
View Patent ↗
Granted: Jan 27, 1998
Filed: Dec 5, 1994
Inventors
Stephen Alister Jones
Peter William Stratford
Stephen Rimmer
Assignee (at issue)
Biocompatibles Limited
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.