Granted Patent
Utility
US 6,376,449 · App. 09/274,542
Acidic cleaning composition comprising an acidic protease I
Inventor:
Hans Sejr Olsen
Patented Case
View Patent ↗
Granted: Apr 23, 2002
Filed: Mar 23, 1999
Inventor
Hans Sejr Olsen
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.