(19)

(11)

EP 2 448 437 A1

(12)

(43) Date of publication: 09.05.2012 Bulletin 2012/19 (21) Application number: 10722084.0 (22) Date of filing: 27.05.2010

(51) International Patent Classification (IPC):  A24C 5/47(2006.01) A24D 3/04(2006.01) (86) International application number: PCT/EP2010/057320 (87) International publication number: WO 2011/000638 (06.01.2011 Gazette 2011/01)

(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: 29.06.2009 GB 0911182 (71) Applicant: British American Tobacco (Investments) Ltd London WC2R 3LA (GB)	(72) Inventors: RICHARDSON, John London WC2R 3LA (GB) WHITE, Peter Rex London WC2R 3LA (GB) (74) Representative: Paton, David William  Venner Shipley LLP 20 Little Britain London, Middlesex, EC1A 7DH London, Middlesex, EC1A 7DH (GB)