(19)

(11)

EP 2 496 626 A2

(12)

(88) Date of publication A3: 30.06.2011 (43) Date of publication: 12.09.2012 Bulletin 2012/37 (21) Application number: 10776334.4 (22) Date of filing: 29.10.2010

(51) International Patent Classification (IPC):  C08G 59/06(2006.01) (86) International application number: PCT/EP2010/066532 (87) International publication number: WO 2011/054769 (12.05.2011 Gazette 2011/19)

(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: 04.11.2009 FR 0957793 (71) Applicant: SOLVAY SA 1120 Bruxelles (BE)	(72) Inventor: GILBEAU, Patrick B-7090 Braine-le-comte (BE) (74) Representative: Vande Gucht, Anne et al Solvay S.A. Département de la Propriété Industrielle Rue de Ransbeek, 310 1120 Bruxelles 1120 Bruxelles (BE)