Granted Patent
Utility
US 5,332,584 · App. 07/803,870
Microcapsules
Inventors:
Herbert B. Scher, Marius Rodson
Patented Case
View Patent ↗
Granted: Jul 26, 1994
Filed: Dec 9, 1991
Inventors
Herbert B. Scher
Marius Rodson
Assignee (at issue)
Zeneca Limited
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.