Patent Assignment
Reel/Frame 016048/0459
Assignment of Assignor's Interest
Recorded: 2005-05-23
Pages: 3
Assignor
HOU, WANGQI
Executed: 2005-05-16
Assignee
AKZO NOBEL N.V.
VELPERWEG 76, ARNHEM, 6824 BM, NETHERLANDS
Covered Property
(1)
Method and Composition for Cleaning a Well Bore Prior to Cementing
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 13, 2017
From: AKZO NOBEL N.V.
To: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
Reel/Frame 044427/0759 →
Security Interest
Oct 1, 2018
From: STARFRUIT US MERGER SUB 1 LLC; STARFRUIT US MERGER SUB 2 LLC; AKZO NOBEL SURFACE CHEMISTRY LLC; AKZO NOBEL CHEMICALS B.V.
To: WILMINGTON TRUST (LONDON) LIMITED, AS COLLATERAL AGENT
Reel/Frame 047231/0001 →
Change of Name
Sep 18, 2019
From: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
To: NOURYON CHEMICALS INTERNATIONAL B.V.
Reel/Frame 050426/0671 →