# US 2026/0076404 A1 · Stable wrapper for aerosol generating article > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2026/0076404 A1 - Document ID: US20260076404A1 - Status: Published application - Kind: A1 - Application number: 19/398,707 - Filed: 2025-11-24 - Published: 2026-03-19 - Earliest claimed: 2019-06-10 - Assignees: Philip Morris Products S.A. - Applicants: Philip Morris Products S.A. - Inventors: Thierry JOYEUX - Web page: https://patentgrep.com/patent/US20260076404A1 ## CPC - A24D 1/02: with special covers - A24D 1/20: Cigarettes specially adapted for simulated smoking devices - A24D: CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES OF CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES ## Abstract An aerosol generating article includes an aerosol generating substrate comprising nicotine and a first paper layer disposed about the aerosol generating substrate. The first paper layer having a first thickness/grammage value. A second paper layer is disposed about the first paper layer. The second paper layer having a second thickness/grammage value. The first thickness/grammage value being less that than the second thickness/grammage value. ## Claims ### Claim 1 A heat-not-burn aerosol generating article comprising: an aerosol generating substrate comprising nicotine and at least about 10% aerosol former comprising glycerine; a mouthpiece segment comprising a plug of cellulose acetate; a hollow tubular segment between the aerosol generating substrate and the mouthpiece segment; a first paper layer disposed about the aerosol generating substrate, the first paper layer having a first thickness/grammage value; a second paper layer disposed about the first paper layer, the second paper layer having a second thickness/grammage value, the first thickness/grammage value being less than that of the second thickness/grammage value; and wherein the first paper layer and the second paper layer contain an entire length of the aerosol generating substrate. ### Claim 2 (depends on 1) The heat-not-burn aerosol generating article according to claim 1, wherein the first paper layer has a thickness/grammage of about 1.0 to 1.2 micrometers/gsm. ### Claim 3 (depends on 1) The heat-not-burn aerosol generating article according to claim 1, wherein the aerosol generating substrate comprises homogenized tobacco material. ### Claim 4 (depends on 1) The heat-not-burn aerosol generating article according to claim 1, wherein the aerosol generating substrate comprises tobacco material and from about 10 percent to about 30 percent of an aerosol-former, in dry weight basis. ### Claim 5 (depends on 1) The heat-not-burn aerosol generating article according to claim 1, wherein the second paper layer joins the aerosol generating substrate, hollow tubular segment, and mouthpiece segment together. ### Claim 6 (depends on 1) The heat-not-burn aerosol generating article according to claim 1, wherein the first paper layer has a permeability in a range from about 1 to about 10 CORESTA units. ### Claim 7 (depends on 1) The heat-not-burn aerosol generating article according to claim 1, wherein the first paper layer is formed of at least 95% cellulosic material. ### Claim 8 (depends on 1) The heat-not-burn aerosol generating article according to claim 1, wherein the hollow tubular segment comprises a ventilation zone. ### Claim 9 (depends on 1) The heat-not-burn aerosol generating article according to claim 1, wherein the hollow tubular segment separates the aerosol generating substrate from the mouthpiece segment. ### Claim 10 A heat-not-burn system comprising: a heat-not-burn aerosol-generating article comprising: an aerosol generating substrate comprising nicotine and at least about 10% aerosol former comprising glycerine; a mouthpiece segment; a hollow tubular segment separating the aerosol generating substrate from the mouthpiece segment; and a first paper layer disposed about and in contact with the aerosol generating substrate, the first paper layer having a first thickness/grammage value; a second paper layer disposed about the first paper layer, the second paper layer having a second thickness/grammage value, the first thickness/grammage value being less than that of the second thickness/grammage value; wherein the first paper layer and the second paper layer contain an entire length of the aerosol generating substrate; an aerosol-generating device comprising a receptacle for receiving the heat-not-burn aerosol-generating article and a heating element configured to heat the aerosol generating substrate when the aerosol generating substrate is received in the receptacle. ### Claim 11 (depends on 10) The heat-not-burn system according to claim 10, wherein the first paper layer has a thickness/grammage of about 1.0 to 1.2 micrometers/gsm. ### Claim 12 (depends on 10) The heat-not-burn system according to claim 10, wherein the aerosol generating substrate comprises homogenized tobacco material. ### Claim 13 (depends on 10) The heat-not-burn system according to claim 10, wherein the aerosol generating substrate comprises tobacco material and from about 10% to about 20% glycerine. ### Claim 14 (depends on 10) The heat-not-burn system according to claim 10, wherein the second paper layer joins the aerosol generating substrate, hollow cellulose acetate tube, and mouthpiece segment together. ### Claim 15 (depends on 10) The heat-not-burn system according to claim 10, wherein the first paper layer has a permeability in a range from about 1 to about 10 CORESTA units. ### Claim 16 (depends on 10) The heat-not-burn system according to claim 10, wherein the heating element comprises an electrically resistive heating element. ### Claim 17 (depends on 10) The heat-not-burn system according to claim 10, wherein the aerosol-generating device comprises a power supply and control electronics to control heating of the heating element. ### Claim 18 (depends on 10) The heat-not-burn system according to claim 10, wherein the hollow tubular segment comprises a ventilation zone.