(19)
(11) EP 2 104 702 A1

(12)

(43) Date of publication:
30.09.2009 Bulletin 2009/40

(21) Application number: 07854713.0

(22) Date of filing: 20.11.2007
(51) International Patent Classification (IPC): 
C08J 9/18(2006.01)
(86) International application number:
PCT/US2007/085167
(87) International publication number:
WO 2008/088614 (24.07.2008 Gazette 2008/30)
(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 LV MC MT NL PL PT RO SE SI SK TR

(30) Priority: 17.01.2007 US 885319 P

(71) Applicant: DOW GLOBAL TECHNOLOGIES INC.
Midland, MI 48674 (US)

(72) Inventors:
  • SCHELLENBERG, Jürgen
    06132 Halle (DE)
  • DEHNERT, Petra
    06114 Halle (DE)
  • PINKERT, Regina
    06128 Halle (DE)

(74) Representative: Raynor, John et al
Beck Greener Fulwood House 12 Fulwood Place
London WC1V 6HR
London WC1V 6HR (GB)

   


(54) EXPANDABLE POLYSTYRENE OF REDUCED BLOWING AGENT CONTENT