(19)
(11) EP 2 367 859 A1

(12)

(43) Date of publication:
28.09.2011 Bulletin 2011/39

(21) Application number: 09796263.3

(22) Date of filing: 23.12.2009
(51) International Patent Classification (IPC): 
C08F 14/18(2006.01)
(86) International application number:
PCT/US2009/069369
(87) International publication number:
WO 2010/075495 (01.07.2010 Gazette 2010/26)
(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: 23.12.2008 US 140119 P

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

(72) Inventors:
  • LEFFEW, Kenneth, Wayne
    Kennett Square Pennsylvania 19348 (US)
  • LLOYD, Ralph, Birchard
    Fayetteville North Carolina 28311 (US)
  • NOELKE, Charles, Joseph
    Pinehurst, North Carolina 28374 (US)

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

   


(54) FLUORINATED IONOMER PRODUCED BY AQUEOUS POLYMERIZATION USING DISPERSED PARTICULATE OF FLUORINATED IONOMER