Granted Patent
Utility
US 6,273,994 · App. 09/016,425
Method and device for measuring bleach requirement, bleachability, and effectivenss of hemicellulase enzyme treatment of pulp
Inventors:
Brian W. Creber, Brian Foody, Patrick J. Foody, Jeffrey S. Tolan
Patented Case
View Patent ↗
Granted: Aug 14, 2001
Filed: Jan 30, 1998
Inventors
Brian W. Creber
Brian Foody
Patrick J. Foody
Jeffrey S. Tolan
Assignee (at issue)
Iogen Corporation
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.