US2023404132A1PendingUtilityA1

An aerosol-forming substrate

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Assignee: PHILIP MORRIS PRODUCTS SAPriority: Oct 7, 2020Filed: Oct 7, 2021Published: Dec 21, 2023
Est. expiryOct 7, 2040(~14.2 yrs left)· nominal 20-yr term from priority
Inventors:Celine GambsJean-Yves Vollmer
A24C 5/01A24D 1/20A24B 15/403A24B 15/167A24B 15/16A24B 15/30
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Claims

Abstract

An aerosol-forming substrate for an aerosol-generating system is provided, the aerosol-forming substrate including: one or more aerosol formers, the aerosol-forming substrate having an aerosol former content of greater than 30 percent by weight; hydroxypropylmethyl cellulose; and one or more cellulose based strengthening agents including cellulose powder, the aerosol-forming substrate having a cellulose powder content of between about 0.5 percent by weight and about 50 percent by weight.

Claims

exact text as granted — not AI-modified
1 .- 13 . (canceled) 
     
     
         14 . An aerosol-forming substrate for an aerosol-generating system, the aerosol-forming substrate comprising:
 one or more aerosol formers, wherein the aerosol-forming substrate has an aerosol former content of greater than 30 percent by weight;   hydroxypropylmethyl cellulose; and   one or more cellulose based strengthening agents comprising cellulose powder,   wherein the aerosol-forming substrate has a cellulose powder content of between about 0.5 percent by weight and about 50 percent by weight.   
     
     
         15 . The aerosol-forming substrate according to  claim 14 , wherein the aerosol-forming substrate has a hydroxypropylmethyl cellulose content of between about 0.5 percent by weight and about 50 percent by weight. 
     
     
         16 . The aerosol-forming substrate according to  claim 14 , wherein the aerosol-forming substrate has a cellulose based strengthening agent content of greater than about 0.5 percent by weight. 
     
     
         17 . The aerosol-forming substrate according to  claim 16 , wherein the aerosol-forming substrate has a cellulose based strengthening agent content of between about 0.5 percent by weight and about 50 percent by weight. 
     
     
         18 . The aerosol-forming substrate according to  claim 17 , wherein the aerosol-forming substrate has a cellulose based strengthening agent content of between about 0.5 percent by weight and about 40 percent by weight. 
     
     
         19 . The aerosol-forming substrate according to  claim 14 , wherein the one or more cellulose based strengthening agents comprises cellulose fibres. 
     
     
         20 . The aerosol-forming substrate according to  claim 19 , wherein the aerosol-forming substrate has a cellulose fibres content of between about 0.5 percent by weight and about 50 percent by weight. 
     
     
         21 . The aerosol-forming substrate according to  claim 14 , wherein the one or more cellulose based strengthening agents comprises microcrystalline cellulose. 
     
     
         22 . The aerosol-forming substrate according to  claim 21 , wherein the aerosol-forming substrate has a microcrystalline cellulose content of between about 0.5 percent by weight and about 50 percent by weight. 
     
     
         23 . The aerosol-forming substrate according to  claim 14 , wherein the aerosol-forming substrate comprises carboxymethyl cellulose. 
     
     
         24 . The aerosol-forming substrate according to  claim 23 , wherein the aerosol-forming substrate has a carboxymethyl cellulose content of between about 0.5 percent by weight and about 20 percent by weight. 
     
     
         25 . The aerosol-forming substrate according to  claim 24 , wherein the carboxymethyl cellulose comprises sodium carboxymethyl cellulose. 
     
     
         26 . An aerosol-generating article comprising the aerosol-forming substrate according to  claim 14 .

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