Granted Patent
Utility
US 6,364,999 · App. 09/256,526
Process for producing a wood pulp having reduced pitch content and process and reduced VOC-emissions
Inventors:
Jerry R. Speaks, Roger O. Campbell, Michael A. Veal
Patented Case
View Patent ↗
Granted: Apr 2, 2002
Filed: Feb 24, 1999
Inventors
Jerry R. Speaks
Roger O. Campbell
Michael A. Veal
Assignee (at issue)
Weyerhaeuser NR Company
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.