Granted Patent
Utility
US 6,207,009 · App. 08/874,802
Method of treating mechanical pulp with a phenol-oxidizing enzyme system
Inventors:
Tomas Tage Hansen, Peder Holk Nielsen
Patented Case
View Patent ↗
Granted: Mar 27, 2001
Filed: Jun 13, 1997
Inventors
Tomas Tage Hansen
Peder Holk Nielsen
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.