(19)
(11) EP 3 052 557 A1

(12)

(43) Date of publication:
10.08.2016 Bulletin 2016/32

(21) Application number: 13785894.0

(22) Date of filing: 04.10.2013
(51) International Patent Classification (IPC): 
C08J 9/00(2006.01)
C01B 31/02(2006.01)
 C08J 9/20(2006.01)
C08K 3/04(2006.01)
(86) International application number:
PCT/FI2013/050965
(87) International publication number:
WO 2015/049413 (09.04.2015 Gazette 2015/14)
(84) Designated Contracting States:
AL 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 RS SE SI SK SM TR
Designated Extension States:
BA ME

(71) Applicant: Bewi Styrochem OY
06101 Porvoo (FI)

(72) Inventors:
  • NURMINEN, Ville
    FI-06101 Porvoo (FI)
  • CADEK, Martin
    60528 Frankfurt (DE)
  • LIPPONEN, Sami
    FI-06101 Porvoo (FI)
  • PESONEN, Elina
    FI-06101 Porvoo (FI)
  • RONKAINEN, Asko
    FI-06101 Porvoo (FI)

(74) Representative: Seppo Laine Oy 
Itämerenkatu 3 B
00180 Helsinki
00180 Helsinki (FI)

   


(54) METHOD OF PRODUCING POLYSTYRENE PARTICLES COMPRISING CARBON PARTICLES HAVING A CONICAL SHAPE