Granted Patent
Utility
US 6,290,946 · App. 09/569,276
Anionic polymers as toxin binders and antibacterial agents
Inventors:
Caroline Kurtz, Richard Fitzpatrick
Patented Case
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Granted: Sep 18, 2001
Filed: May 11, 2000
Inventors
Caroline Kurtz
Richard Fitzpatrick
Assignee (at issue)
Geltex Pharmaceuticals, 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.