Granted Patent
Utility
US 5,543,152 · App. 08/263,603
Sphingosomes for enhanced drug delivery
Inventors:
Murray Webb, Marcel Bally, Lawrence Mayer
Patented Case
View Patent ↗
Granted: Aug 6, 1996
Filed: Jun 20, 1994
Inventors
Murray Webb
Marcel Bally
Lawrence Mayer
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.