Pouched product for oral use comprising water insoluble substrate particles

Abstract

Described is a pouched product for oral use that includes a liquid permeable pouch and a nicotine containing filling material enclosed by the pouch, wherein the filling materialis a tobacco free filling material or includes tobacco material in an amount of at most 10% by total weight of the filling material;has a pre-use moisture content of from 1% to 35% by total weight of the filling material;contains nicotine in an amount of from 0.5% to 2% by total weight of the filling material; andcomprises water insoluble substrate particles and one or more water-soluble components; wherein the water insoluble substrate particles are ball-shaped particles constituting at least 65% by dry weight of the filling material, the water insoluble substrate particles having a d50 particle size of from 0.25 mm to 2.0 mm.

1 . A pouched product for oral use comprising a liquid permeable pouch and a nicotine containing filling material enclosed by the pouch, wherein the filling material
 is a tobacco free filling material or comprises tobacco material in an amount of at most 10% by total weight of the filling material;   has a pre-use moisture content of from 1% to 35% by total weight of the filling material;   contains nicotine in an amount of from 0.5% to 2% by total weight of the filling material; and   comprises water insoluble substrate particles and one or more water-soluble components;   
       wherein the water insoluble substrate particles are ball-shaped particles constituting at least 65% by dry weight of the filling material, the water insoluble substrate particles having a d50 particle size of from 0.25 mm to 2.0 mm. 
     
     
         2 . A pouched product according to  claim 1 , wherein the water insoluble substrate particles have a d50 particle size of from 0.25 mm to 1.5 mm. 
     
     
         3 . A pouched product according to  claim 2 , wherein the water insoluble substrate particles have a d50 particle size of from 0.25 mm to 1.0 mm. 
     
     
         4 . A pouched product according to  claim 3 , wherein the water insoluble substrate particles have a d50 particle size of from 0.25 mm to 0.6 mm. 
     
     
         5 . A pouched product according to  claim 1 , wherein the water insoluble substrate particles have a d50 particle size of from 0.3 mm to 2.0 mm. 
     
     
         6 . A pouched product according to  claim 5 , wherein the water insoluble substrate particles have a d50 particle size of from 0.3 mm to 1.5 mm. 
     
     
         7 . A pouched product according to  claim 6 , wherein the water insoluble substrate particles have a d50 particle size of from 0.3 mm to 1.0 mm. 
     
     
         8 . A pouched product according to  claim 7 , wherein the water insoluble substrate particles have a d50 particle size of from 0.3 mm to 0.6 mm. 
     
     
         9 . A pouched product according to  claim 1 , wherein the water insoluble substrate particles have a d50 aspect ratio of 0.8 or above and a d50 sphericity of 0.8 or above. 
     
     
         10 . A pouched product according to  claim 1 , wherein the water insoluble substrate particles comprise or consist of particles of microcrystalline cellulose, water insoluble starch, silica, or a mixture thereof. 
     
     
         11 . A pouched product according to  claim 10 , wherein the water insoluble substrate particles comprise particles of microcrystalline cellulose. 
     
     
         12 . A pouched product according to  claim 1 , wherein the water insoluble substrate particles constitute 75% by dry weight to 95% by dry weight of the filling material. 
     
     
         13 . A pouched product according to  claim 1 , wherein the water insoluble substrate particles contain less than 0.5% by weight of particles passing through a sieve having a mesh size of 250 μm. 
     
     
         14 . A pouched product according to  claim 1 , wherein the filling material contains less than 0.5% by weight of particles passing through a sieve having a mesh size of 250 μm. 
     
     
         15 . A pouched product according to  claim 1 , wherein the water insoluble substrate particles have a narrow particle size distribution. 
     
     
         16 . A pouched product according to  claim 1 , wherein the filling material contains at most 15% by dry weight of the filling material of sugar alcohol. 
     
     
         17 . A pouched product according to  claim 1 , wherein substantially all nicotine in the filling material is located on an outer surface of the water insoluble substrate particles. 
     
     
         18 . A pouched product according to  claim 1 , wherein a filling degree of the liquid permeable pouch is 80% or less. 
     
     
         19 . A pouched product according to  claim 1 , wherein the liquid permeable pouch is formed from a nonwoven material, such as a nonwoven material comprising staple fibres of regenerated cellulose.