(19)
(11) EP 1 711 576 A2

(12)

(88) Date of publication A3:
01.12.2005

(43) Date of publication:
18.10.2006 Bulletin 2006/42

(21) Application number: 05711559.4

(22) Date of filing: 12.01.2005
(51) International Patent Classification (IPC): 
C09K 5/00(2006.01)
(86) International application number:
PCT/US2005/001509
(87) International publication number:
WO 2005/067558 (28.07.2005 Gazette 2005/30)
(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: 14.01.2004 US 536819 P
16.12.2004 US 13901

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

(72) Inventors:
  • MINOR, Barbara, Haviland
    Elkton, Maryland 21921 (US)
  • NAPPA, Mario, J.
    Newark, Delaware 19711 (US)
  • SIEVERT, Allen, C.
    Elkton, Maryland 21921 (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) REFRIGERANT COMPOSITIONS COMPRISING 1-ETHOXY-1,1,2,2,3,3,4,4-NONAFLUOROBUTANE AND A HYDROFLUOROCARBON AND USES THEREOF