Patent ID: 11944118
Assignee: KT&G CORPORATION
Field: Other consumer goods (Other fields)
Classification: CPC A | IPC A

Claim 8:
9. An aerosol-generating system comprising:
an aerosol-generating article; and
an aerosol-generating device into which the aerosol-generating article is configured to be inserted,
wherein the aerosol-generating device comprises a battery and a heater which is configured to be heated by power supplied from the battery; and
wherein the aerosol-generating article comprises:
a tobacco rod,
a front-end plug arranged on one side of the tobacco rod,
a filter rod arranged on another side of the tobacco rod, opposite to the one side, and
a wrapper surrounding the tobacco rod, the front-end plug, and the filter rod,

wherein the wrapper comprises at least one thermochromic material that is configured to be heated and discolored by the aerosol-generating device when the aerosol-generating article is inserted into the aerosol-generating device,
wherein the wrapper further comprises:
an inner wrapper surrounding at least one from among the tobacco rod, the front-end plug, and the filter rod; and
an outer wrapper surrounding the inner wrapper,

wherein the at least one thermochromic material is included in the inner wrapper, and
wherein at least a portion of the outer wrapper, that overlaps the at least one thermochromic material, is made of a semitransparent or transparent material.