Release of Security Interest

Recorded: 2006-02-01 Received: 2006-02-01 Pages: 4

Assignor

BANK OF AMERICAN, N.A.

Executed: 2006-01-18

Assignee

WESTLAKE TECHNOLOGY CORPORATION

2801 POST OAK BOULEVARD, SUITE 600, HOUSTON, TX, 77056, UNITED STATES

Covered Properties (3)

Cracking of hydrocarbons

Application: 10/211,226 →

Slurry Tray and Slurry Tray Assembly for Use in Fractionation Towers

Application: 10/172,228 →

Method for Making Die Boards, and Materials and Apparatus for Practicing the Method

Application: 09/948,855 →