Granted Patent
Utility
US 6,605,350 · App. 09/842,274
Sawdust alkaline pulp having low average degree of polymerization values and method of producing the same
Inventors:
James E. Sealey, II, W. Harvey Persinger, Jr., Mengkui Luo, Brian Wester
Patented Case
View Patent ↗
Granted: Aug 12, 2003
Filed: Apr 24, 2001
Inventors
James E. Sealey, II
W. Harvey Persinger, Jr.
Mengkui Luo
Brian Wester
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.