Granted Patent
Utility
US 5,256,422 · App. 07/909,112
Lipid vesicle containing water-in-oil emulsions
Inventors:
Elizabeth C. Albert, Donald F. H. Wallach, Rajiv Mathur
Patented Case
View Patent ↗
Granted: Oct 26, 1993
Filed: Jul 8, 1992
Inventors
Elizabeth C. Albert
Donald F. H. Wallach
Rajiv Mathur
Assignee (at issue)
Micro Vesicular Systems, 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.