Granted Patent
Utility
US 6,562,196 · App. 09/719,914
Method for optimizing the degree of flocculation
Inventors:
Jyrki Huovila, Juha Kinnunen, Hannu Korhonen, Mari Taipale, Ari Puurtinen, Pekka Pakarinen
Patented Case
View Patent ↗
Granted: May 13, 2003
Filed: Dec 15, 2000
Inventors
Jyrki Huovila
Juha Kinnunen
Hannu Korhonen
Mari Taipale
Ari Puurtinen
Pekka Pakarinen
Assignee (at issue)
Metso Paper 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.