(19)

(11)

EP 2 235 233 A1

(12)

(43) Date of publication: 06.10.2010 Bulletin 2010/40 (21) Application number: 08856145.1 (22) Date of filing: 24.11.2008

(51) International Patent Classification (IPC):  C23C 22/06(2006.01) C09D 1/00(2006.01) C23F 11/18(2006.01) C09D 5/08(2006.01) (86) International application number: PCT/US2008/013087 (87) International publication number: WO 2009/073112 (11.06.2009 Gazette 2009/24)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 04.12.2007 US 5296 (71) Applicant: W. R. Grace & Co.-Conn Columbia, MD 21044-4098 (US)	(72) Inventors: SUGIMOTO, Yoshitaka Sagamibara Kanagawa 228-0823 (JP) SUN, Qi Zama-shi Kanagawa 228-0004 (JP) FRUGE, Daniel Ray Wilmington Delaware 19803 (US) (74) Representative: UEXKÜLL & STOLBERG  Patentanwälte Beselerstrasse 4 22607 Hamburg 22607 Hamburg (DE)