Granted Patent
Utility
US 6,524,569 · App. 09/831,753
Anionic-cationic polyion complexes comprising zwitterionic monomer component
Inventors:
Peter William Stratford, Jane Louise Court, Andrew Lennard Lewis
Patented Case
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Granted: Feb 25, 2003
Filed: May 14, 2001
Inventors
Peter William Stratford
Jane Louise Court
Andrew Lennard Lewis
Assignee (at issue)
Biocompatibles UK 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.