Granted Patent
Utility
US 6,287,585 · App. 09/143,622
Methods for laundry using polycations and enzymes
Inventor:
Charlotte Johansen
Patented Case
View Patent ↗
Granted: Sep 11, 2001
Filed: Aug 28, 1998
Inventor
Charlotte Johansen
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.