Patent Assignment
Reel/Frame 046242/0733
Assignment of Assignor's Interest
Recorded: 2018-06-29
Pages: 4
Assignor
KRATON POLYMERS U.S. LLC
Executed: 2014-01-13
Assignee
STEPAN COMPANY
22 FRONTAGE ROAD, NORTHFIELD, ILLINOIS, 60093
Covered Property
(1)
Method for Making Sulfonated Block Copolymers, Method for Making Membranes from Such Block Copolymers and Membrane Structures
Related Assignments
(7)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
May 9, 2008
From: HANDLIN, DALE LEE, JR.; TRENOR, SCOTT RUSSELL; DADO, GREGORY PAUL
To: KRATON POLYMERS U.S., LLC
Reel/Frame 020926/0546 →
Supplement to Patent Security Agreement
Aug 19, 2009
From: KRATON POLYMERS U.S. LLC
To: UBS AG, STAMFORD BRANCH, AS COLLATERAL AGENT
Reel/Frame 023120/0219 →
Release of Security Interest
Feb 24, 2011
From: UBS AG, STAMFORD BRANCH
To: KRATON POLYMERS U.S. LLC
Reel/Frame 025845/0795 →
Corrective Assignment to Correct the Incorrect Patent Number 7720798 and Replace with Patent Number 7220798 Previously Recorded on Reel 025845 Frame 0795. Assignor(S) Hereby Confirms the Release by Secured Party.
Dec 16, 2015
From: USB AG, STAMFORD BRANCH
To: KRATON POLYMERS U.S. LLC
Reel/Frame 037312/0070 →
Corrective Assignment to Correct the Patent Number 8837224 to Patent Number 7737224 Previously Recorded at Reel: 037448 Frame: 0453. Assignor(S) Hereby Confirms the Security Interest.
Jan 6, 2016
From: KRATON POLYMERS U.S. LLC; ARIZONA CHEMICAL COMPANY, LLC
To: BANK OF AMERICA, N.A.
Reel/Frame 037448/0453 →
Patent Security Agreement
Jan 7, 2016
From: KRATON POLYMERS U.S. LLC
To: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS COLLATERAL AGENT
Reel/Frame 037457/0843 →
Release of Security Interest
Mar 15, 2022
From: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS COLLATERAL AGENT
To: KRATON POLYMERS U.S. LLC
Reel/Frame 059366/0611 →