Granted Patent
Utility
US 5,972,042 · App. 08/770,755
Method for dyeing a material with a dyeing system which contains an enzymatic oxidizing agent
Inventors:
Martin Barfoed, Ole Kirk
Patented Case
View Patent ↗
Granted: Oct 26, 1999
Filed: Dec 19, 1996
Inventors
Martin Barfoed
Ole Kirk
Assignees (at issue)
Novo Nordisk A/S
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.