(19)

(11)

EP 2 568 833 A1

(12)

(43) Date of publication: 20.03.2013 Bulletin 2013/12 (21) Application number: 11724440.0 (22) Date of filing: 11.05.2011

(51) International Patent Classification (IPC):  A24D 3/02(2006.01) A24D 3/04(2006.01) (86) International application number: PCT/GB2011/050899 (87) International publication number: WO 2011/141735 (17.11.2011 Gazette 2011/46)

(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: 12.05.2010 GB 201007946 (71) Applicant: British American Tobacco (Investments) Ltd London, WC2R 3LA (GB)	(72) Inventors: SAMPSON, John London WC2R 3LA (GB) RUSHFORTH, David London WC2R 3LA (GB) (74) Representative: Handley, Matthew Edward et al Venner Shipley LLP 200 Aldersgate London EC1A 4HD London EC1A 4HD (GB)