Granted Patent
Utility
US 6,331,354 · App. 09/574,538
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, Vincent A. Roscelli, Amar N. Neogi
Patented Case
View Patent ↗
Granted: Dec 18, 2001
Filed: May 18, 2000
Inventors
James E. Sealey, II
W. Harvey Persinger, Jr.
Mengkui Luo
Vincent A. Roscelli
Amar N. Neogi
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.