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1. (WO2013124357) MULTILAYER COMBUSTIBLE HEAT SOURCE
Latest bibliographic data on file with the International Bureau   

Pub. No.: WO/2013/124357 International Application No.: PCT/EP2013/053460
Publication Date: 29.08.2013 International Filing Date: 21.02.2013
IPC:
A24B 15/16 (2006.01) ,A24F 47/00 (2006.01) ,A24B 15/28 (2006.01)
A HUMAN NECESSITIES
24
TOBACCO; CIGARS; CIGARETTES; SMOKERS' REQUISITES
B
MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
15
Chemical features or treatment of tobacco; Tobacco substitutes
10
Chemical features of tobacco products or tobacco substitutes
16
of tobacco substitutes
A HUMAN NECESSITIES
24
TOBACCO; CIGARS; CIGARETTES; SMOKERS' REQUISITES
F
SMOKERS' REQUISITES; MATCH BOXES
47
Smokers' requisites not provided for elsewhere
A HUMAN NECESSITIES
24
TOBACCO; CIGARS; CIGARETTES; SMOKERS' REQUISITES
B
MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
15
Chemical features or treatment of tobacco; Tobacco substitutes
18
Treatment of tobacco products or tobacco substitutes
28
by chemical substances
Applicants: PHILIP MORRIS PRODUCTS S.A.[CH/CH]; Quai Jeanrenaud 3 CH-2000 Neuchâtel, CH
Inventors: ROUDIER, Stephane; CH
CLEMENS, Frank Joerg; CH
MICHEN, Marina Ismael; CH
Agent: MILLBURN, Julie; Reddie & Grose LLP 16 Theobalds Road London Greater London WC1X 8PL, GB
Priority Data:
12156969.324.02.2012EP
Title (EN) MULTILAYER COMBUSTIBLE HEAT SOURCE
(FR) SOURCE DE CHALEUR COMBUSTIBLE MULTICOUCHE
Abstract:
(EN) A multilayer combustible heat source (2, 8) for a smoking article comprises: a combustible first layer (4, 10) comprising carbon; and a second layer (6, 12) in direct contact with the first layer, the second layer comprising carbon and at least one ignition aid, wherein the combustible first layer and the second layer are longitudinal concentric layers having a density of at least 0.6 g/cm3 and wherein the composition of the first layer (4, 10) is different from the composition of the second layer (6, 12).
(FR) La présente invention concerne une source de chaleur combustible multicouche (2, 8) destinée à un article à fumer, et comprenant : une première couche combustible (4, 10) comprenant du carbone; et une seconde couche (6, 12) en contact direct avec la première couche, la seconde couche comprenant du carbone et au moins un auxiliaire d'allumage, la première couche combustible et la seconde couche étant des couches longitudinales concentriques présentant une densité d'au moins 0,6 g/cm3, et la composition de la première couche (4, 10) étant différente de la composition de la seconde couche (6, 12).
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)