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(11)

EP 2 663 619 A1

(12)

(43) Date of publication: 20.11.2013 Bulletin 2013/47 (21) Application number: 11855609.1 (22) Date of filing: 23.12.2011

(51) International Patent Classification (IPC):  C10J 3/86(2006.01) F22D 1/32(2006.01) C10L 5/40(2006.01) C10J 3/82(2006.01) C10B 53/02(2006.01) (86) International application number: PCT/FI2011/051154 (87) International publication number: WO 2012/095556 (19.07.2012 Gazette 2012/29)

(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 (30) Priority: 14.01.2011 FI 20115038 (71) Applicant: VAPO OY 40100 Jyväskylä (FI)	(72) Inventors: KAUTTO, Jorma 01390 Vantaa (FI) VILJAKAINEN, Olli-Pekka 01490 Vantaa (FI) TIMONEN, Mika 40420 Jyväskylä (FI) (74) Representative: Vastavuo, Juhani Veli et al Heinänen Oy Äyritie 8 D 01510 Vantaa 01510 Vantaa (FI)