Granted Patent
Utility
US 6,298,859 · App. 09/349,301
Use of a phenol oxidizing enzyme in the treatment of tobacco
Inventors:
Jesper Vallentin Kierulff, Ole Bill J.o slashed.rgensen, Tomas Tage Hansen, Anthony James Knox, Yves D. De Grandpre
Patented Case
View Patent ↗
Granted: Oct 9, 2001
Filed: Jul 7, 1999
Inventors
Jesper Vallentin Kierulff
Ole Bill J.o slashed.rgensen
Tomas Tage Hansen
Anthony James Knox
Yves D. De Grandpre
Assignee (at issue)
Novozymes A/S
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.