Granted Patent
Utility
US 5,693,675 · App. 08/461,298
Alkylated amine polymers
Inventors:
W. Harry Mandeville, III, Stephen Randall Holmes-Farley
Patented Case
View Patent ↗
Granted: Dec 2, 1997
Filed: Jun 5, 1995
Inventors
W. Harry Mandeville, III
Stephen Randall Holmes-Farley
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.