(19)
(11) EP 1 751 244 A2

(12)

(88) Date of publication A3:
08.06.2006

(43) Date of publication:
14.02.2007 Bulletin 2007/07

(21) Application number: 05755364.6

(22) Date of filing: 25.05.2005
(51) International Patent Classification (IPC): 
C09K 5/00(2006.01)
(86) International application number:
PCT/US2005/018885
(87) International publication number:
WO 2005/119142 (15.12.2005 Gazette 2005/50)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR

(30) Priority: 26.05.2004 US 575037 P
22.02.2005 US 63178

(71) Applicant: E.I. du Pont de Nemours and Company
Wilmington, DE 19898 (US)

(72) Inventors:
  • MINOR, Barbara, Haviland
    Elkton, MD 21921 (US)
  • NAPPA, Mario, J.
    Newark, DE 19711 (US)
  • SIEVERT, Allen, C.
    Elkton, MD 21921 (US)
  • LECK, Thomas, J.
    Hockessin, DE 19707 (US)

(74) Representative: Matthews, Derek Peter 
Frank B. Dehn & Co. St Bride's House 10 Salisbury Square
London EC4Y 8JD
London EC4Y 8JD (GB)

   


(54) 1,1,1,2,2,4,5,5,5-NONAFLUORO-4-(TRIFLUOROMETHYL)-3-PENTANONE REFRIGERANT AND HEAT TRANSFER COMPOSITIONS COMPRISING A FLUOROETHER