Granted Patent
Utility
US 4,855,090 · App. 07/078,658
Method of producing high aqueous volume multilamellar vesicles
Inventor:
Donald F. H. Wallach
Patented Case
View Patent ↗
Granted: Aug 8, 1989
Filed: Jul 28, 1987
Inventor
Donald F. H. Wallach
Assignee (at issue)
Micro-Pak, 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.