(19)

(11)

EP 2 171 725 A2

(12)

(88) Date of publication A3: 09.04.2009 (43) Date of publication: 07.04.2010 Bulletin 2010/14 (21) Application number: 08784843.8 (22) Date of filing: 17.07.2008

(51) International Patent Classification (IPC):  H01B 3/30(2006.01) H01H 1/023(2006.01) C08L 77/00(2006.01) (86) International application number: PCT/EP2008/005862 (87) International publication number: WO 2009/012931 (29.01.2009 Gazette 2009/05)

(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: 23.07.2007 EP 07014392 (71) Applicant: DSM IP Assets B.V. 6411 TE Heerlen (NL)	(72) Inventors: RULKENS, Rudy NL-6269 CE Margraten (NL) PELT, VAN, Wilfred, Wilhelmus, Gerardus, Johannes NL-5581 CL Waalre (NL) DUFOUR, Peter, Remco NL-2517 ER Den Haag (NL) YOSHIMOTO, Yudai Tokyo 194-0045 (JP) (74) Representative: van der Ploeg, Antonius Franciscus M.J.  DSM Intellectual Property Urmond Office P.O. Box 9 6160 MA Geleen 6160 MA Geleen (NL)