Granted Patent
Utility
US 6,545,079 · App. 09/449,866
Method of forming a transparent and gas-permeability decreasing coating to a paper or board web and a coating formulation for the method
Inventors:
Kari Nurmi, Kimmo Santamäki, Tom Carne
Patented Case
View Patent ↗
Granted: Apr 8, 2003
Filed: Nov 29, 1999
Inventors
Kari Nurmi
Kimmo Santamäki
Tom Carne
Assignee (at issue)
Raisio Chemicals OY
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.