United States Patent and Trademark Office OG Notices: 09 May 2006

                          Disclaimer and Dedication

   RE. 37,701 - Bamdad Bahar, Elkton, MD, Robert S. Mallouk, Chadds Ford,
PA, Alex R. Hobson, Elkton; and Jeffrey A. Kolde, Baltimore, both of MD.
INTEGRAL COMPOSITE MEMBRANE. Patent dated May 14, 2002. Disclaimer filed
Mar. 16, 2006, by the assignee, W.L. Gore & Associates, Inc.

   Hereby disclaims and dedicates to the public the entire term of claims
52-55 of said patent.