(19)

(11)

EP 2 461 960 A1

(12)

(43) Date of publication: 13.06.2012 Bulletin 2012/24 (21) Application number: 10739943.8 (22) Date of filing: 05.08.2010

(51) International Patent Classification (IPC):  B29C 47/02(2006.01) B29C 70/20(2006.01) B29C 35/14(2006.01) B29C 70/50(2006.01) B29B 15/10(2006.01) (86) International application number: PCT/EP2010/061438 (87) International publication number: WO 2011/015635 (10.02.2011 Gazette 2011/06)

(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 SE SI SK SM TR Designated Extension States: BA ME RS (30) Priority: 06.08.2009 FR 0903875 (71) Applicant: SOLVAY SA 1120 Bruxelles (BE)	(72) Inventors: BLOYAERT, Claudine B-1410 Waterloo (BE) DEHENNAU, Claude B-1410 Waterloo (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)