(19)
(11)EP 2 420 546 A3

(12)EUROPEAN PATENT APPLICATION

(88)Date of publication A3:
07.05.2014 Bulletin 2014/19

(43)Date of publication A2:
22.02.2012 Bulletin 2012/08

(21)Application number: 11189771.6

(22)Date of filing:  31.08.2007
(51)International Patent Classification (IPC): 
C09K 5/04(2006.01)
(84)Designated Contracting States:
DE ES FR GB IT
Designated Extension States:
AL BA HR MK RS

(30)Priority: 01.09.2006 US 841947 P
01.09.2006 US 841977 P
01.09.2006 US 841839 P
01.09.2006 US 841882 P

(62)Application number of the earlier application in accordance with Art. 76 EPC:
07811630.8 / 2057247

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

(72)Inventors:
  • Leck, Thomas J.
    Hockessin, DE 19707 (US)
  • Minor, Barbara Haviland
    Elkton, MD 21921 (US)
  • Nappa, Mario Joseph
    Newark, DE 19711 (US)
  • Mouli, Nandini
    Reisterstown, MD 21136 (US)
  • Howell, Jon Lee
    Bear, DE 19701 (US)

(74)Representative: Matthews, Derek Peter 
Dehns St Bride's House 10 Salisbury Square
London EC4Y 8JD
London EC4Y 8JD (GB)

  


(54)Terephthalate stabilizers for fluoroolefins


(57) The present disclosure relates to compositions comprising at least one fluoroolefin and an effective amount of a stabilizer comprising at least one terephthalate or a mixture thereof with at least one of ascorbic acid and nitromethane. The stabilized compositions may be useful in cooling apparatus, such as refrigeration, air-conditioning, chillers and heat pumps, as well as in applications as foam blowing agents, solvents, aerosol propellants, fire extinguishants, and sterilants.





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