Granted Patent
Utility
US 5,785,992 · App. 08/536,584
Compositions for the introduction of polyanionic materials into cells
Inventors:
Steven M. Ansell, Barbara Mui, Michael J. Hope
Patented Case
View Patent ↗
Granted: Jul 28, 1998
Filed: Sep 29, 1995
Inventors
Steven M. Ansell
Barbara Mui
Michael J. Hope
Assignee (at issue)
Inex Pharmaceuticals Corporation
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.