(19)

(11)

EP 2 721 839 A2

(12)

(88) Date of publication A3: 25.04.2013 (43) Date of publication: 23.04.2014 Bulletin 2014/17 (21) Application number: 12800526.1 (22) Date of filing: 24.02.2012

(51) International Patent Classification (IPC):  H04R 9/02(2006.01) H04R 1/10(2006.01) (86) International application number: PCT/US2012/026421 (87) International publication number: WO 2012/173669 (20.12.2012 Gazette 2012/51)

(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: 16.06.2011 US 201161497556 P 29.11.2011 US 201161564437 P (71) Applicant: Bayer Intellectual Property GmbH 40789 Monheim (DE)	(72) Inventors: ZARRABI, Alireza Sunnyvale, CA 94089-2165 (US) HITCHCOCK, Roger, N. San Leandor, CA 94577-3937 (US) BIGGS, Silmon, James Los Gatos, CA 95033-9105 (US) (74) Representative: BIP Patents  c/o Bayer Intellectual Property GmbH Creative Campus Monheim Alfred-Nobel-Straße 10 40789 Monheim 40789 Monheim (DE)