Granted Patent
Utility
US 6,686,039 · App. 10/336,389
Use of thinnings and other low specific gravity wood for lyocell pulps
Inventors:
James E. Sealey, II, W. Harvey Persinger, Jr., Kent Robarge, Mengkui Luo
Patented Case
View Patent ↗
Granted: Feb 3, 2004
Filed: Jan 2, 2003
Inventors
James E. Sealey, II
W. Harvey Persinger, Jr.
Kent Robarge
Mengkui Luo
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.