Aerosol-generating article with taggant

Abstract

An aerosol-generating article is provided, including: an aerosol-generating substrate; a downstream section disposed downstream of the aerosol-generating substrate; and a taggant disposed on the downstream section, an upstream end of the taggant being at least 0.5 millimetre from a downstream end of the aerosol-generating substrate, the taggant being a chemical or physical marker added to a component, a presence of which may be detected by a suitable detector configured to enable the component to be identified, the downstream section further including a wrapper, the taggant being disposed on the wrapper, and the upstream end of the taggant being aligned with an upstream end of the wrapper. An aerosol-generating system including the aerosol-generating article and an aerosol-generating device is also provided.

1 .- 26 . (canceled) 
     
     
         27 . An aerosol-generating article, comprising:
 an aerosol-generating substrate;   a downstream section disposed downstream of the aerosol-generating substrate; and   a taggant disposed on the downstream section, wherein an upstream end of the taggant is at least 0.5 millimetre from a downstream end of the aerosol-generating substrate,   wherein the taggant is a chemical or physical marker added to a component, a presence of which may be detected by a suitable detector configured to enable the component to be identified,   wherein the downstream section further comprises a wrapper, the taggant being disposed on the wrapper, and   wherein the upstream end of the taggant is aligned with an upstream end of the wrapper.   
     
     
         28 . The aerosol-generating article according to  claim 27 , wherein the taggant has a length of greater than 2 millimetres. 
     
     
         29 . The aerosol-generating article according to  claim 27 , wherein the taggant has a length of greater than 4 millimetres. 
     
     
         30 . The aerosol-generating article according to  claim 27 , wherein the taggant is disposed on an inner surface of the wrapper. 
     
     
         31 . The aerosol-generating article according to  claim 30 , wherein the taggant is printed on the inner surface of the wrapper. 
     
     
         32 . The aerosol-generating article according to  claim 27 , wherein the taggant is provided in a concentration of between 30 milligrams per square metre to 420 milligrams per square meter. 
     
     
         33 . The aerosol-generating article according to  claim 27 , wherein the taggant is provided in a concentration of at least 620 milligrams per square meter. 
     
     
         34 . The aerosol-generating article according to  claim 27 , wherein the upstream end of the taggant is at least 10 millimetres from an upstream end of the aerosol-generating article. 
     
     
         35 . The aerosol-generating article according to  claim 27 , wherein the upstream end of the taggant is at least 14 millimetres from a downstream end of the aerosol-generating article. 
     
     
         36 . The aerosol-generating article according to  claim 27 , wherein the downstream end of the taggant is at least 10 millimetres from a downstream end of the aerosol-generating article. 
     
     
         37 . The aerosol-generating article according to  claim 27 , wherein a downstream end of the taggant is at least 14 millimetres from an upstream end of the aerosol-generating article. 
     
     
         38 . The aerosol-generating article according to  claim 27 , wherein the downstream section further comprises a hollow tubular element, the upstream end of the taggant overlaying the hollow tubular element. 
     
     
         39 . The aerosol-generating article according to  claim 38 , wherein a downstream end of the taggant overlays the hollow tubular element. 
     
     
         40 . The aerosol-generating article according to  claim 38 ,
 further comprising a ventilation zone at a location along the hollow tubular element of the downstream section,   wherein the taggant is disposed upstream of the ventilation zone.   
     
     
         41 . The aerosol-generating article according to  claim 40 , wherein a downstream end of the taggant is provided at least 1 millimetre from the ventilation zone. 
     
     
         42 . The aerosol-generating article according to  claim 27 , wherein the downstream section further comprises a mouthpiece element. 
     
     
         43 . The aerosol-generating article according to  claim 42 , wherein a downstream end of the taggant is provided at least 5 millimetres from an upstream end of the mouthpiece element. 
     
     
         44 . The aerosol-generating article according to  claim 27 , further comprising an upstream element disposed upstream of the aerosol-generating substrate and abutting an upstream end of the aerosol-generating substrate. 
     
     
         45 . The aerosol-generating article according to  claim 44 , wherein the upstream end of the taggant is provided at least 10 millimetres from a downstream end of the upstream element. 
     
     
         46 . The aerosol-generating article according to  claim 44 , wherein upstream element comprises a hollow tubular element defining a longitudinal cavity providing an unrestricted flow channel. 
     
     
         47 . The aerosol-generating article according to  claim 27 , wherein the upstream end of the taggant is disposed in the upstream half of the aerosol-generating article, and a downstream end of the taggant is disposed in a downstream half of the aerosol-generating article. 
     
     
         48 . The aerosol-generating article according to  claim 27 , wherein the taggant is provided as a continuous band that circumscribes the downstream section. 
     
     
         49 . An aerosol-generating system comprising an aerosol-generating article according to  claim 27 , and an aerosol-generating device, the aerosol-generating device comprising:
 a cavity configured to receive a portion of the aerosol-generating article; and   a detector configured to detect a presence of the taggant, the detector being arranged to be substantially aligned with the taggant when the aerosol-generating article is fully inserted into the cavity,   wherein the taggant is a chemical or physical marker added to a component, the presence of which may be detected by a suitable detector configured to enable the component to be identified.   
     
     
         50 . The aerosol-generating system according to  claim 49 , wherein the detector is disposed no more than 2 millimetres from a downstream end of the cavity.