Container containing a nicotine solution

Abstract

There is provided a contained nicotine solution comprising (i) a container; and (ii) a nicotine solution contained within the container, wherein at least 5 wt % of the nicotine present in the solution is in protonated form, wherein at least a portion of the container in contact with the nicotine solution is formed from polycarbonate or polypropylene.

1 . (canceled) 
     
     
         2 . An electronic vapor provision system according to  claim 11  wherein a majority of the container in contact with the nicotine solution is formed from polycarbonate or polypropylene. 
     
     
         3 . An electronic vapor provision system according to  claim 11  wherein at least a portion of the container in contact with the nicotine solution is formed from polycarbonate. 
     
     
         4 . An electronic vapor provision system according to  claim 11  wherein at least a portion of the container in contact with the nicotine solution is formed from polypropylene. 
     
     
         5 . (canceled) 
     
     
         6 . An electronic vapor provision system according to  claim 11  wherein at least 20 wt % of the nicotine present in the solution is in protonated form. 
     
     
         7 . An electronic vapor provision system according to  claim 11  wherein at least 40 wt % of the nicotine present in the solution is in protonated form. 
     
     
         8 . An electronic vapor provision system according to  claim 11  wherein the nicotine is protonated by an acid selected from the group consisting of acetic acid, lactic acid, formic acid, citric acid, benzoic acid, pyruvic acid, levulinic acid, succinic acid, tartaric acid, oleic acid, sorbic acid, propionic acid, phenylacetic acid, and mixtures thereof. 
     
     
         9 . An electronic vapor provision system according to  claim 1  wherein the nicotine is protonated by levulinic acid. 
     
     
         10 . An electronic vapor provision system according to  claim 11  wherein the nicotine is protonated by benzoic acid. 
     
     
         11 . An electronic vapor provision system comprising:
 a vaporizer for vaporizing liquid for inhalation by a user of the electronic vapor provision system;   a power supply comprising a cell or battery for supplying power to the vaporizer; and   a container in which is contained a nicotine solution, wherein at least 5 wt % of the nicotine present in the solution is in protonated form, and wherein at least a portion of the container in contact with the nicotine solution is formed from polycarbonate or polypropylene.   
     
     
         12 - 23 . (canceled) 
     
     
         24 . A cartomizer for an electronic vapor provision system, wherein the cartomizer comprises:
 a container in which is contained a nicotine solution;   a wick material; and   a heating element for vaporizing the nicotine;   wherein at least 5 wt % of the nicotine present in the solution is in protonated form, and wherein at least a portion of the container in contact with the nicotine solution is formed from polycarbonate or polypropylene.   
     
     
         25 . A cartomizer according to  claim 24  wherein a majority of the container in contact with the nicotine solution is formed from polycarbonate or polypropylene. 
     
     
         26 . A cartomizer according to  claim 24  wherein at least a portion of the container in contact with the nicotine solution is formed from polycarbonate. 
     
     
         27 . A cartomizer according to  claim 24  wherein at least a portion of the container in contact with the nicotine solution is formed from polypropylene. 
     
     
         28 . A cartomizer according to  claim 24  wherein at least 20 wt % of the nicotine present in the solution is in protonated form. 
     
     
         29 . A cartomizer according to  claim 24  wherein at least 40 wt % of the nicotine present in the solution is in protonated form. 
     
     
         30 . A cartomizer according to  claim 24  wherein the nicotine is protonated by an acid selected from the group consisting of acetic acid, lactic acid, formic acid, citric acid, benzoic acid, pyruvic acid, levulinic acid, succinic acid, tartaric acid, oleic acid, sorbic acid, propionic acid, phenylacetic acid, and mixtures thereof. 
     
     
         31 . A cartomizer according to  claim 24  wherein the nicotine is protonated by levulinic acid. 
     
     
         32 . A cartomizer according to  claim 24  wherein the nicotine is protonated by benzoic acid.