Granted Patent
Utility
US 6,572,969 · App. 10/147,655
Core shell polymeric compositions
Inventor:
Gamini S. Samaranayake
Patented Case
View Patent ↗
Granted: Jun 3, 2003
Filed: May 16, 2002
Inventor
Gamini S. Samaranayake
Assignee (at issue)
MeadWestvaco Corporation
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.