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(11)

EP 2 794 897 A2

(12)

(88) Date of publication A3: 13.03.2014 (43) Date of publication: 29.10.2014 Bulletin 2014/44 (21) Application number: 12816586.7 (22) Date of filing: 21.12.2012

(51) International Patent Classification (IPC):  C12P 7/44(2006.01) C12P 13/00(2006.01) C08L 77/02(2006.01) C12P 7/42(2006.01) C12P 17/10(2006.01) C12P 13/02(2006.01) (86) International application number: PCT/US2012/071472 (87) International publication number: WO 2013/096898 (27.06.2013 Gazette 2013/26)

(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: 21.12.2011 US 201161578265 P 21.12.2011 US 201161578272 P 21.12.2011 US 201161578289 P 29.06.2012 WO PCT/US2012/044984 (71) Applicant: Invista Technologies S.a r.l. 9000 St. Gallen (CH)	(72) Inventors: PEARLMAN, Paul S. Thonton, 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) HERZOG, Benjamin D. Wichita, KS 67230 (US) (74) Representative: White, Martin Paul  Whites IP Ltd 7 Berwick Road Bournemouth BH3 7BB Bournemouth BH3 7BB (GB)