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(11)

EP 2 462 594 A1

(12)

(43) Date of publication: 13.06.2012 Bulletin 2012/24 (21) Application number: 10740515.1 (22) Date of filing: 08.07.2010

(51) International Patent Classification (IPC):  H01B 1/24(2006.01) C09D 11/00(2006.01) (86) International application number: PCT/EP2010/004180 (87) International publication number: WO 2011/015268 (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 (30) Priority: 03.08.2009 JP 2009181063 (71) Applicant: Merck Patent GmbH 64293 Darmstadt (DE)	(72) Inventors: HONJO, Tetsuji Iwaki-shi Fukushima 971-8172 (JP) KOBAYASHI, Satoru Iwaki-shi Fukushima 971-8172 (JP) IWABUCHI, Atsuko Iwaki-shi Fukushima 971-8112 (JP)