Granted Patent
Utility
US 6,241,849 · App. 09/397,788
Methods for deinking and decolorizing printed paper
Inventor:
Neal E. Franks
Patented Case
View Patent ↗
Granted: Jun 5, 2001
Filed: Sep 16, 1999
Inventor
Neal E. Franks
Assignee (at issue)
Novo Nordisk Biochem North America, Inc.
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.