Patent Assignment
Reel/Frame 029784/0051
Assignment of Assignor's Interest
Recorded: 2013-02-08
Pages: 3
Assignor
PU, QIUSHENG
Executed: 2013-02-08
Assignee
WEYERHAEUSER NR COMPANY
PO BOX 9777, CH1J27, FEDERAL WAY, WASHINGTON, 98063-9777
Covered Property
(1)
Lignin Precipitation Methods
Application:
13/730,218 →
Publication:
US 2014/0187760