# US 11,076,633 B2 · Aerosol-generating article with improved outermost wrapper > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,076,633 B2 - Document ID: US11076633B2 - Status: Granted - Kind: B2 - Application number: 16/339,250 - Filed: 2018-08-31 - Published: 2020-07-16 - Granted: 2021-08-03 - Earliest claimed: 2017-09-07 - Assignees: Philip Morris Products S.A. - Applicants: Philip Morris Products S.A. - Inventors: Farhang Mohseni - Web page: https://patentgrep.com/patent/US11076633B2 ## CPC - A24D 1/02: with special covers - A24D 1/22: Cigarettes with integrated combustible heat sources, e.g. with carbonaceous heat sources - A24D: CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES OF CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES ## Abstract An aerosol-generating article is provided, including an aerosol-forming substrate; and an outermost wrapper around at least a portion of the aerosol-forming substrate, wherein an outer surface of the outermost wrapper forms at least part of an outer surface of the aerosol-generating article, and wherein the outermost wrapper includes a metallized substrate comprising a substrate layer and a metal layer radially outward of the substrate layer, the metal layer having a thickness of less than or equal to about 100 nm. ## Claims ### Claim 1 An aerosol-generating article, comprising: an aerosol-forming substrate configured to be heated to generate an aerosol, wherein the aerosol-generating article does not comprise an aerosol-forming substrate that is configured to be combusted to produce smoke; and an outermost wrapper around at least a portion of the aerosol-forming substrate, wherein an outer surface of the outermost wrapper forms at least part of an outer surface of the aerosol-generating article, and wherein the outermost wrapper comprises a metallized substrate comprising a substrate layer and a metal layer radially outward of the substrate layer, the metal layer having a thickness of less than or equal to 100 nm. ### Claim 2 (depends on 1) The aerosol-generating article according to claim 1, wherein the metal layer of the metallized substrate has a thickness of greater than or equal to 5 nm. ### Claim 3 (depends on 1) The aerosol-generating article according to claim 1, wherein the metal layer of the metallized substrate has a thickness of between 10 nm and 60 nm. ### Claim 4 (depends on 1) The aerosol-generating article according to claim 1, wherein the metal layer of the metallized substrate is an aluminum layer. ### Claim 5 (depends on 1) The aerosol-generating article according to claim 1, wherein the substrate layer of the metallized substrate has a thickness of between 40 μm and 80 μm. ### Claim 6 (depends on 1) The aerosol-generating article according to claim 1, wherein the substrate layer of the metallized substrate is a paper layer. ### Claim 7 (depends on 6) The aerosol-generating article according to claim 6, wherein the paper layer of the metallized substrate has a basis weight of between 35 grams per square meter and 60 grams per square meter. ### Claim 8 (depends on 1) The aerosol-generating article according to claim 1, wherein the outermost wrapper further comprises a surface coating on at least a portion of an outer surface of the metal layer of the metallized substrate. ### Claim 9 (depends on 8) The aerosol-generating article according to claim 8, wherein the surface coating comprises one or more inorganic materials selected from the group consisting of graphite, metal oxides, and metal carbonates. ### Claim 10 (depends on 1) The aerosol-generating article according to claim 1, wherein the outer surface of the outermost wrapper has an emissivity of less than or equal to 0.6. ### Claim 11 (depends on 1) The aerosol-generating article according to claim 1, wherein the outer surface of the outermost wrapper has an emissivity of greater than or equal to 0.1. ### Claim 12 (depends on 1) The aerosol-generating article according to claim 1, further comprising a heat-conducting element radially inward of the outermost wrapper. ### Claim 13 (depends on 12) The aerosol-generating article according to claim 12, wherein the outermost wrapper is around at least a portion of the heat-conducting element. ### Claim 14 (depends on 1) The aerosol-generating article according to claim 1, further comprising a heat source. ### Claim 15 (depends on 14) The aerosol-generating article according to claim 14, wherein the heat source is a combustible heat source. ### Claim 16 (depends on 15) The aerosol-generating article according to claim 15, wherein the aerosol-forming substrate is downstream of the combustible heat source. ### Claim 17 (depends on 14) The aerosol-generating article according to claim 14, wherein the outermost wrapper is around at least a portion of the heat source. ### Claim 18 An aerosol-generating article, comprising: a proximal end and a distal end; a combustible carbonaceous heat source; an aerosol-forming substrate located between the combustible carbonaceous heat source and the proximal end of the aerosol-generating article, wherein the aerosol-generating article does not comprise an aerosol-forming substrate located between the combustible carbonaceous heat source and the distal end of the aerosol-generating article; and an outermost wrapper around at least a portion of the aerosol-forming substrate, wherein an outer surface of the outermost wrapper forms at least part of an outer surface of the aerosol-generating article, and wherein the outermost wrapper comprises a metallized substrate comprising a substrate layer and a metal layer radially outward of the substrate layer, the metal layer having a thickness of less than or equal to 100 nm. ### Claim 19 An aerosol-generating article, comprising: a proximal end and a distal end; a combustible carbonaceous heat source located at the distal end of the aerosol-generating article; an aerosol-forming substrate located between the combustible carbonaceous heat source and the proximal end of the aerosol-generating article; and an outermost wrapper around at least a portion of the aerosol-forming substrate, wherein an outer surface of the outermost wrapper forms at least part of an outer surface of the aerosol-generating article, and wherein the outermost wrapper comprises a metallized substrate comprising a substrate layer and a metal layer radially outward of the substrate layer, the metal layer having a thickness of less than or equal to 100 nm.