(19)
(11) EP 2 118 229 A2

(12)

(43) Date of publication:
18.11.2009 Bulletin 2009/47

(21) Application number: 07837628.2

(22) Date of filing: 31.08.2007
(51) International Patent Classification (IPC): 
C09K 5/04(2006.01)
(86) International application number:
PCT/US2007/019205
(87) International publication number:
WO 2008/027555 (06.03.2008 Gazette 2008/10)
(84) Designated Contracting States:
DE ES FR GB IT

(30) Priority: 01.09.2006 US 841713 P

(71) Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
Wilmington, DE 19898 (US)

(72) Inventors:
  • MINOR, Barbara, Haviland
    Elkton, MD 21921 (US)
  • BIVENS, Donald, Bernard
    Kennett Square, PA 19348 (US)
  • DOSHI, Shailesh, Ratilal
    Kingston, ON K7P 1S5 (CA)
  • RAO, Velliyur, Nott, Mallikarjuna
    Wilmington, DE 19809 (US)
  • SIMONATO, Enrico
    I-10146 Torino (IT)

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

   


(54) METHOD FOR CIRCULATING SELECTED HEAT TRANSFER FLUIDS THROUGH A CLOSED LOOP CYCLE