Granted Patent
Utility
US 6,784,235 · App. 09/848,014
Polyolefin film compositions with permanent antifog properties
Inventors:
Anunay Gupta, David Devore, John McNamara, Alessandro Zedda
Patented Case
View Patent ↗
Granted: Aug 31, 2004
Filed: May 3, 2001
Inventors
Anunay Gupta
David Devore
John McNamara
Alessandro Zedda
Assignee (at issue)
Ciba Specialty Chemicals 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.