(19)

(11)

EP 1 113 917 A1

(12)

(43) Date of publication: 11.07.2001 Bulletin 2001/28 (21) Application number: 98923691.4 (22) Date of filing: 22.05.1998

(51) International Patent Classification (IPC)7: B29D 11/00, C03B 23/08 (86) International application number: PCT/US9810/526 (87) International publication number: WO 9961/226 (02.12.1999 Gazette 1999/48)

(84) Designated Contracting States: DE FR GB NL (71) Applicant: Blue Sky Research San Jose, CA 95134-2024 (US)	(72) Inventor: SNYDER, James, J. Soquel, CA 95073 (US) (74) Representative: Liesegang, Eva  Forrester & Boehmert,Franz-Joseph-Strasse 38 80801 München 80801 München (DE)