IP Library › Assignment 027210/0438
Patent Assignment
Reel/Frame 027210/0438

Assignment of Assignor's Interest

Recorded: 2011-11-10 Pages: 3
Assignor
WEERAWARNA, S. ANANDA
Executed: 2011-04-25
Assignee
WEYERHAEUSER NR COMPANY
PO BOX 9777, CH1J27, FEDERAL WAY, WASHINGTON, 98063-9777
Covered Property (1)
Biodegradable Superabsorbent Particles
Patent: 8,101,543 →
Application: 12/164,991 →
Publication: US 2009/0325799
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Apr 21, 2009
From: WEYERHAEUSER COMPANY
To: WEYERHAEUSER NR COMPANY
Reel/Frame 022835/0233 →
Assignment of Assignor's Interest Aug 5, 2019
From: WEYERHAEUSER NR COMPANY
To: INTERNATIONAL PAPER COMPANY
Reel/Frame 049964/0838 →