Granted Patent
Utility
US 6,294,163 · App. 09/165,386
Polymers containing guanidinium groups as bile acid sequestrants
Inventors:
Pradeep K. Dhal, Stephen Randall Holmes-Farley, John S. Petersen
Patented Case
View Patent ↗
Granted: Sep 25, 2001
Filed: Oct 2, 1998
Inventors
Pradeep K. Dhal
Stephen Randall Holmes-Farley
John S. Petersen
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.