(19)

(11)

EP 2 861 745 A2

(12)

(88) Date of publication A3: 27.03.2014 (43) Date of publication: 22.04.2015 Bulletin 2015/17 (21) Application number: 13739305.4 (22) Date of filing: 12.06.2013

(51) International Patent Classification (IPC):  C12P 5/02(2006.01) C07C 11/167(2006.01) C12N 9/00(2006.01) C12N 9/02(2006.01) (86) International application number: PCT/US2013/045430 (87) International publication number: WO 2013/188546 (19.12.2013 Gazette 2013/51)

(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 Designated Extension States: BA ME (30) Priority: 15.06.2012 WO PCT/US2012/042757 30.11.2012 WO PCT/US2012/067463 (71) Applicant: Invista Technologies S.à.r.l. 9000 St. Gallen (CH)	(72) Inventors: PEARLMAN, Paul S. Thornton, Pennsylvania 19373-1049 (US) CHEN, Changlin Ingleby Barwick Cleveland TS17 5EE (GB) BOTES, Adriana Rosedale East Cleveland Y018 8RL (GB) CONRADIE, Alex Van Eck Eaglescliffe Cleveland TS16 9EZ (GB) (74) Representative: Grund, Martin  Grund Intellectual Property Group Postfach 44 05 16 80754 München 80754 München (DE)