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EP 2 007 924 A1

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(43) Date of publication: 31.12.2008 Bulletin 2009/01 (21) Application number: 06741356.7 (22) Date of filing: 14.03.2006

(51) International Patent Classification (IPC):  C23F 13/02(2006.01) C08L 83/04(2006.01) C23F 11/173(2006.01) (86) International application number: PCT/CA2006/000374 (87) International publication number: WO 2007/104121 (20.09.2007 Gazette 2007/38)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK YU (71) Applicant: CSL Silicones Inc. Guelph, Ontario N1H 1B5 (CA)	(72) Inventors: AHMED, Farooq Guelph, Ontario N1H 7J4 (CA) HUDA, Faisal Toronto, Ontario M8W 1A6 (CA) HUDA, Seraj Ul Toronto, Ontario M8W 1A6 (CA) BARR, John Eden Mills, Ontario N0B 1P0 (CA) (74) Representative: Lorenz, Markus  Lorenz & Kollegen Patent- und Rechtsanwaltskanzlei Alte Ulmer Straße 2 89522 Heidenheim 89522 Heidenheim (DE)