Patent Assignment
Reel/Frame 021503/0138
Security Agreement
Recorded: 2008-09-09
Pages: 6
Assignor
WESTLAKE VINYL CORPORATION
Executed: 2008-09-08
Assignee
BANK OF AMERICA, N.A.
55 S. LAKE AVENUE, SUITE 900, PASADENA, CALIFORNIA, 91101
Covered Property
(1)
Method of Concentrating an Aqueous Caustic Alkali Using a Catholyte Heat Recovery Evaporator
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.