US2023034625A1PendingUtilityA1

Aerosol-forming substrate with nitrogen-containing nucleophilic compound

Assignee: PHILIP MORRIS PRODUCTS SAPriority: Dec 17, 2019Filed: Dec 15, 2020Published: Feb 2, 2023
Est. expiryDec 17, 2039(~13.4 yrs left)· nominal 20-yr term from priority
A24B 15/243A24F 40/46A24B 15/30A24B 15/42A24B 15/165A24B 15/14A24B 15/167A24D 1/20A24B 15/16A24F 40/20A24B 15/12
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Claims

Abstract

An aerosol-forming substrate is provided, including: a) one or both of cellulose and cellulose derivatives; b) an aerosol-former present in an amount of 20 weight percent to 58 percent on a dry weight basis based on a total amount of the aerosol-forming substrate; c) from 0 weight percent to 5 weight percent of tobacco on a dry weight basis based on the total amount of the aerosol-forming substrate; d) a nitrogen-containing nucleophilic compound; and e) a disaccharide. An aerosol-generating article including a substrate portion containing the aerosol-forming substrate is also provided. An aerosol-generating system is also provided.

Claims

exact text as granted — not AI-modified
1 .- 15 . (canceled) 
     
     
         16 . An aerosol-forming substrate, comprising:
 a) one or both of cellulose and cellulose derivatives;   b) an aerosol-former present in an amount of 20 weight percent to 58 percent on a dry weight basis based on a total amount of the aerosol-forming substrate;   c) from 0 weight percent to 5 weight percent of tobacco on a dry weight basis based on the total amount of the aerosol-forming substrate;   d) a nitrogen-containing nucleophilic compound; and   e) a disaccharide.   
     
     
         17 . The aerosol-forming substrate according to  claim 16 , wherein the weight percent of the tobacco is from 0 weight percent to 0.5 weight percent. 
     
     
         18 . The aerosol-forming substrate according to  claim 16 , wherein the nitrogen-containing nucleophilic compound is one or both of an organic and inorganic compound, selected from a group consisting of:
 an organic compound with an amino or amide group, a nitrogen-containing saccharide and polysaccharide, or a nitrogen-containing plastic,   an inorganic ammonium compound,   or combinations thereof.   
     
     
         19 . The aerosol-forming substrate according to  claim 16 , wherein the nitrogen-containing nucleophilic compound is selected from at least one of:
 an amino acid being selected from a group consisting of: lysine, glycine, cysteine, arginine, homocysteine, or a combination thereof,   a tripeptide, including glutathione,   urea or a urea derivative or a combination thereof,   a nitrogen-containing saccharide and polysaccharide selected from a group consisting of: glucosamine, galactosamine, chitosan, or a combination thereof,   an inorganic ammonium compound selected from ammonium phosphate and ammonium metal phosphates, and   a nitrogen-containing plastic selected from polyethylene-imine, poly styrene-acrylonitrile, polyacrylonitrilebutadiene-styrene, or a combination thereof.   
     
     
         20 . The aerosol-forming substrate according to  claim 16 , further comprising a disaccharide selected from sucrose, lactose, maltose, or a combination thereof. 
     
     
         21 . The aerosol-forming substrate according to  claim 16 , wherein the aerosol-forming substrate is substantially free of tobacco. 
     
     
         22 . The aerosol-forming substrate according to  claim 16 , wherein the one or both of cellulose and cellulose derivatives is selected from cellulose, cellulose ester or cellulose ethers, or a combination thereof. 
     
     
         23 . The aerosol-forming substrate according to  claim 22 , wherein the one or both of cellulose and cellulose derivatives is cellulose acetate or carboxymethyl-cellulose. 
     
     
         24 . The aerosol-forming substrate according to  claim 16 , wherein the aerosol-former is selected from polyhydric alcohols, esters of polyhydric alcohols, aliphatic esters of mono-, di-, or polycarboxylic acids, or a combination thereof. 
     
     
         25 . The aerosol-forming substrate according to  claim 16 , further comprising:
 f) nicotine.   
     
     
         26 . The aerosol-forming substrate according to  claim 16 , wherein the aerosol-forming substrate is formed as a sheet. 
     
     
         27 . The aerosol-forming substrate according to  claim 16 , wherein the aerosol-forming substrate is formed as a casted sheet. 
     
     
         28 . The aerosol-forming substrate according to  claim 16 , wherein one or both of cellulose and cellulose derivatives of component a) are present in an amount of 15 weight percent to 85 weight percent on a dry weight basis based on the total amount of the aerosol-forming substrate. 
     
     
         29 . The aerosol-forming substrate according to  claim 16 , wherein one or both of cellulose and cellulose derivatives of component a) are present in an amount of 25 weight percent to 70 weight percent on a dry weight basis based on the total amount of the aerosol-forming substrate. 
     
     
         30 . The aerosol-forming substrate according to  claim 16 , wherein the aerosol-former is present in an amount of 25 weight percent to 45 weight percent on a dry weight basis based on the total amount of the aerosol-forming substrate. 
     
     
         31 . The aerosol-forming substrate according to  claim 16 , containing from 0.2 weight percent to 5 weight percent of the nitrogen-containing nucleophilic compound on a dry weight basis based on the total amount of the aerosol-forming substrate. 
     
     
         32 . An aerosol-generating article, comprising:
 a substrate portion containing an aerosol-forming substrate according to  claim 16 ,   wherein the substrate portion in the aerosol-generating article is in a form of a rod.   
     
     
         33 . An aerosol-generating system, comprising:
 an aerosol-generating article comprising a substrate portion containing an aerosol-forming substrate according to  claim 16 , wherein the substrate portion in the aerosol-generating article is in a form of a rod; and   an aerosol-generating device comprising a heating element and a heating chamber configured to receive the aerosol-generating article, the heating element being configured to heat the aerosol-generating article to a temperature ranging from 220 degrees Celsius to 400 degrees Celsius.   
     
     
         34 . The aerosol-generating system according to  claim 33 , wherein the heating element is further configured to heat the aerosol-generating article to a temperature ranging from 250 degrees Celsius to 290 degrees Celsius. 
     
     
         35 . A method of operating an aerosol-generating system according to  claim 33 , the method comprising the following steps:
 inserting the aerosol-generating article into the heating chamber; and   heating the aerosol-generating article via the heating element, thereby generating an aerosol and an aldehyde, wherein the aldehyde reacts with the nitrogen-containing nucleophilic compound, resulting in an aldehyde reduced aerosol.

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