(19)

(11)

EP 2 417 177 A1

(12)

(43) Date of publication: 15.02.2012 Bulletin 2012/07 (21) Application number: 10713577.4 (22) Date of filing: 08.04.2010

(51) International Patent Classification (IPC):  C08G 61/12(2006.01) H01L 51/05(2006.01) C07D 513/04(2006.01) H01B 1/12(2006.01) H01L 51/00(2006.01) (86) International application number: PCT/EP2010/002195 (87) International publication number: WO 2010/115623 (14.10.2010 Gazette 2010/41)

(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 MK MT NL NO PL PT RO SE SI SK SM TR (30) Priority: 08.04.2009 DE 102009016502 08.12.2009 US 267534 P (71) Applicant: Heraeus Precious Metals GmbH & Co. KG 63450 Hanau (DE)	(72) Inventor: MEYER-FRIEDRICHSEN, Timo 47829 Krefeld (DE) (74) Representative: Herzog, Martin  Herzog Fiesser & Partner Patentanwälte Immermannstrasse 40 40210 Düsseldorf 40210 Düsseldorf (DE)