(19)

(11)

EP 2 567 023 A1

(12)

(43) Date of publication: 13.03.2013 Bulletin 2013/11 (21) Application number: 10773393.3 (22) Date of filing: 18.08.2010

(51) International Patent Classification (IPC):  D21C 1/06(2006.01) D21C 3/02(2006.01) (86) International application number: PCT/IB2010/002311 (87) International publication number: WO 2011/138634 (10.11.2011 Gazette 2011/45)

(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 SE SI SK SM TR (30) Priority: 04.05.2010 RU 2010118498 06.05.2010 KR 20100042681 27.05.2010 US 789307 (71) Applicant: Bahia Specialty Cellulose SA 42810-290 Camaçari, Bahia (BR)	(72) Inventor: LEITE, Marcelo, Moreira 42810-290 Camacari, Bahia (BR) (74) Representative: Cupitt, Philip Leslie et al R.G.C. Jenkins & Co 26 Caxton Street London SW1H 0RJ London SW1H 0RJ (GB)