Security Agreement

Recorded: 2004-12-28 Received: 2004-12-28 Pages: 6

Assignor

WESTLAKE TECHNOLOGY CORPORATION

Executed: 2004-08-06

Assignee

BANK OF AMERICA, N.A.

55 SOUTHLAKE AVENUE, SUITE 900, PASADENA, CA, 91101, UNITED STATES

Covered Properties (3)

Structure and Method for Preventing Uv Radiation Damage in a Memory Cell and Improving Contact Cd Control

Application: 10/460,278 →

Cracking of hydrocarbons

Application: 10/211,226 →

Slurry Tray and Slurry Tray Assembly for Use in Fractionation Towers

Application: 10/172,228 →