Granted Patent
Utility
US 6,733,790 · App. 10/018,866
Microcapsules and processes for making the same using various polymers and chitosans
Inventor:
Josep Garces Garces
Patented Case
View Patent ↗
Granted: May 11, 2004
Filed: Apr 17, 2002
Inventor
Josep Garces Garces
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.