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(11)

EP 2 648 875 A1

(12)

(43) Date of publication: 16.10.2013 Bulletin 2013/42 (21) Application number: 11806041.7 (22) Date of filing: 09.12.2011

(51) International Patent Classification (IPC):  B24B 13/005(2006.01) C08L 63/00(2006.01) C08L 69/00(2006.01) B29D 11/00(2006.01) C08L 67/04(2006.01) (86) International application number: PCT/US2011/064123 (87) International publication number: WO 2012/078969 (14.06.2012 Gazette 2012/24)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 10.12.2010 GB 201020965 (71) Applicant: 3M Innovative Properties Company Saint Paul, MN 55133-3427 (US)	(72) Inventor: LAMON, Alain H. F-95006 Cergy Pontoise Cedex (FR) (74) Representative: Aleandri-Hachgenei, Lorraine E. et al 3M Deutschland GmbH, Office of Intellectual Property Counsel, Carl-Schurz-Strasse 1 41453 Neuss 41453 Neuss (DE)