Granted Patent
Utility
US 5,667,775 · App. 08/471,747
Phosphate-binding polymers for oral administration
Inventors:
Stephen Randall Holmes-Farley, W. Harry Mandeville, III, George M. Whitesides
Patented Case
View Patent ↗
Granted: Sep 16, 1997
Filed: Jun 6, 1995
Inventors
Stephen Randall Holmes-Farley
W. Harry Mandeville, III
George M. Whitesides
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.