Granted Patent
Utility
US 6,007,803 · App. 08/934,495
Ionic polymers as toxin binding agents
Inventors:
W. Harry Mandeville, III, Thomas X. Neenan
Patented Case
View Patent ↗
Granted: Dec 28, 1999
Filed: Sep 19, 1997
Inventors
W. Harry Mandeville, III
Thomas X. Neenan
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.