(19)

(11)

EP 2 359 076 A2

(12)

(88) Date of publication A3: 02.09.2010 (43) Date of publication: 24.08.2011 Bulletin 2011/34 (21) Application number: 09775491.5 (22) Date of filing: 17.12.2009

(51) International Patent Classification (IPC):  F25B 15/02(2006.01) C09K 5/04(2006.01) F01K 25/06(2006.01) (86) International application number: PCT/US2009/068380 (87) International publication number: WO 2010/080467 (15.07.2010 Gazette 2010/28)

(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: 19.12.2008 US 139180 P (71) Applicant: E. I. du Pont de Nemours and Company Wilmington, DE 19898 (US)	(72) Inventor: KONTOMARIS, Konstantinos Hockessin Delaware 19707 (US) (74) Representative: Matthews, Derek Peter  Dehns St Bride's House 10 Salisbury Square London EC4Y 8JD London EC4Y 8JD (GB)