Granted Patent
Utility
US 6,818,296 · App. 10/018,731
Microcapsules
Inventors:
Josep Garces Garces, Josep-Lluis Viladot Petit
Patented Case
View Patent ↗
Granted: Nov 16, 2004
Filed: Apr 4, 2002
Inventors
Josep Garces Garces
Josep-Lluis Viladot Petit
Assignee (at issue)
Cognis Iberia S.L.
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.