Granted Patent
Utility
US 6,509,013 · App. 09/542,329
Method of making phosphate-binding polymers for oral administration
Inventors:
Stephen Randall Holmes-Farley, W. Harry Mandeville, III, George M. Whitesides
Patented Case
View Patent ↗
Granted: Jan 21, 2003
Filed: Apr 4, 2000
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.