(19)

(11)

EP 2 779 849 A1

(12)

(43) Date of publication: 24.09.2014 Bulletin 2014/39 (21) Application number: 12795236.4 (22) Date of filing: 16.11.2012

(51) International Patent Classification (IPC):  A24B 15/24(2006.01) A24B 15/30(2006.01) A24B 13/00(2006.01) (86) International application number: PCT/US2012/065480 (87) International publication number: WO 2013/074903 (23.05.2013 Gazette 2013/21)

(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: 18.11.2011 US 201113299621 (71) Applicant: R. J. Reynolds Tobacco Company Winston-Salem, NC 27101 (US)	(72) Inventors: CHEN, Gong Clemmons, North Carolina 27012 (US) LOVETTE, Margarette Elisa Winston-Salem, North Carolina 27103 (US) (74) Representative: Hoeger, Stellrecht & Partner Patentanwälte  Uhlandstrasse 14c 70182 Stuttgart 70182 Stuttgart (DE)