Granted Patent
Utility
US 5,362,532 · App. 08/037,060
Water soluble multilayer film for packaging alkaline materials
Inventors:
Amir Famili, F. Lennart Marten, James F. Nangeroni
Patented Case
View Patent ↗
Granted: Nov 8, 1994
Filed: Mar 25, 1993
Inventors
Amir Famili
F. Lennart Marten
James F. Nangeroni
Assignee (at issue)
Air Products and Chemicals, 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.