Granted Patent
Utility
US 6,509,034 · App. 09/673,178
Wettable microcapsules having hydrophobic polymer coated cores
Inventors:
Massimo Calanchi, Stefano Bruschi, Leonardo Gentilini, Luigi Mapelli
Patented Case
View Patent ↗
Granted: Jan 21, 2003
Filed: Oct 10, 2000
Inventors
Massimo Calanchi
Stefano Bruschi
Leonardo Gentilini
Luigi Mapelli
Assignee (at issue)
Eurand International S.p.A.
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.