Methods and systems for improving stability of pre-vapor formulations of e-vaping devices

Abstract

A pre-vapor formulation that may be included in an e-vaping device may include a solvent and a solution compound. The solvent may include one or more of propylene glycol and glycerin. The solution compound may include one of a saccharide compound, a salt compound, and a polyethylene compound. The concentration of the solution compound may be between about 0.2% and about 10%.

What is claimed is: 
     
         1 . A pre-vapor formulation of an e-vaping device, the pre-vapor formulation comprising:
 a solvent that includes at least one of propylene glycol and glycerin; and   a solution compound, the solution compound being at least one of,
 a saccharide compound, 
 a salt solution, and 
 a polyethylene glycol compound. 
   
     
     
         2 . The pre-vapor formulation of  claim 1 , wherein,
 the solution compound is a saccharide compound, and   a concentration of the saccharide compound in the pre-vapor formulation is greater than 0 M and equal to or less than 2.5 M.   
     
     
         3 . The pre-vapor formulation of  claim 2 , wherein,
 the saccharide compound includes at least one of,
 a monosaccharide compound, 
 a disaccharide compound, 
 a trisaccharide compound, and 
 a polyol compound. 
   
     
     
         4 . The pre-vapor formulation of  claim 2 , wherein,
 the saccharide compound is a polyol compound, and   the polyol compound includes at least one of,
 mannitol, 
 erythritol, 
 xylitol, and 
 sorbitol. 
   
     
     
         5 . The pre-vapor formulation of  claim 4 , wherein a concentration of the polyol compound in the pre-vapor formulation is equal to or greater than about 0.2% and equal to or less than about 10% by weight based on the weight of the pre-vapor formulation. 
     
     
         6 . The pre-vapor formulation of  claim 5 , wherein the concentration of the polyol compound in the pre-vapor formulation is equal to or greater than about 0.2% and equal to or less than about 5% by weight based on the weight of the pre-vapor formulation. 
     
     
         7 . The pre-vapor formulation of  claim 5 , wherein the concentration of the polyol compound in the pre-vapor formulation is equal to or greater than about 5% and equal to or less than about 8% by weight based on the weight of the pre-vapor formulation. 
     
     
         8 . The pre-vapor formulation of  claim 5 , wherein the concentration of the polyol compound in the pre-vapor formulation is equal to or greater than about 8% and equal to or less than about 10% by weight based on the weight of the pre-vapor formulation. 
     
     
         9 . The pre-vapor formulation of  claim 1 , wherein,
 the solution compound is a salt solution, and   the salt solution includes at least one of,
 sodium chloride, 
 sodium citrate, 
 sodium tartrate, 
 sodium succinate, 
 sodium sulfate, 
 calcium chloride, 
 magnesium chloride, 
 magnesium sulfate, and 
 potassium sulfate. 
   
     
     
         10 . The pre-vapor formulation of  claim 9 , wherein a concentration of the salt solution in the pre-vapor formulation is greater than 0% and equal to or less than 10% by weight based on the weight of the pre-vapor formulation. 
     
     
         11 . The pre-vapor formulation of  claim 1 , wherein,
 the solution compound is a polyethylene glycol (PEG) compound, and   the polyethylene glycol (PEG) compound includes at least one of,
 PEG 200, 
 PEG 300, and 
 PEG 400. 
   
     
     
         12 . The pre-vapor formulation of  claim 11 , wherein a concentration of the polyethylene glycol compound in the pre-vapor formulation is greater than about 0% and is equal to or less than about 50% by weight based on the weight of the pre-vapor formulation. 
     
     
         13 . A cartridge for an e-vaping device, the cartridge comprising:
 a reservoir holding a pre-vapor formulation; and   a heater configured to heat the pre-vapor formulation;   wherein the pre-vapor formulation includes,
 a solvent that includes at least one of propylene glycol and glycerin; and 
 a solution compound, the solution compound being at least one of,
 a saccharide compound, 
 a salt solution, and 
 a polyethylene glycol compound. 
 
   
     
     
         14 . The cartridge of  claim 13 , wherein,
 the solution compound is a saccharide compound, and   a concentration of the saccharide compound in the pre-vapor formulation is greater than 0 M and equal to or less than 2.5 M.   
     
     
         15 . The cartridge of  claim 14 , wherein,
 the saccharide compound includes at least one of,
 a monosaccharide compound, 
 a disaccharide compound, 
 a trisaccharide compound, and 
 a polyol compound. 
   
     
     
         16 . The cartridge of  claim 14 , wherein,
 the saccharide compound is a polyol compound, and   the polyol compound includes at least one of,
 mannitol, 
 erythritol, 
 xylitol, and 
 sorbitol. 
   
     
     
         17 . The cartridge of  claim 16 , wherein a concentration of the polyol compound in the pre-vapor formulation is equal to or greater than about 0.2% and equal to or less than about 10% by weight based on the weight of the pre-vapor formulation. 
     
     
         18 . The cartridge of  claim 17 , wherein the concentration of the polyol compound in the pre-vapor formulation is equal to or greater than about 0.2% and equal to or less than about 5% by weight based on the weight of the pre-vapor formulation. 
     
     
         19 . The cartridge of  claim 17 , wherein the concentration of the polyol compound in the pre-vapor formulation is equal to or greater than about 5% and equal to or less than about 8% by weight based on the weight of the pre-vapor formulation. 
     
     
         20 . The cartridge of  claim 17 , wherein the concentration of the polyol compound in the pre-vapor formulation is equal to or greater than about 8% and equal to or less than about 10% by weight based on the weight of the pre-vapor formulation. 
     
     
         21 . The cartridge of  claim 13 , wherein,
 the solution compound is a salt solution, and   the salt solution includes at least one of,
 sodium chloride, 
 sodium citrate, 
 sodium tartrate, 
 sodium succinate, 
 sodium sulfate, 
 calcium chloride, 
 magnesium chloride, 
 magnesium sulfate, and 
 potassium sulfate. 
   
     
     
         22 . The cartridge of  claim 21 , wherein a concentration of the salt solution in the pre-vapor formulation is greater than 0% and equal to or less than 10% by weight based on the weight of the pre-vapor formulation. 
     
     
         23 . The cartridge of  claim 13 , wherein,
 the solution compound is a polyethylene glycol (PEG) compound, and   the polyethylene glycol (PEG) compound includes at least one of,
 PEG 200, 
 PEG 300, and 
 PEG 400. 
   
     
     
         24 . The cartridge of  claim 23 , wherein a concentration of the polyethylene glycol compound in the pre-vapor formulation is greater than about 0% and is equal to or less than about 50% by weight based on the weight of the pre-vapor formulation. 
     
     
         25 . An e-vaping device, comprising:
 a cartridge including a reservoir holding a pre-vapor formulation and a heater configured to heat the pre-vapor formulation; and   a power supply section coupled to the cartridge, the power supply section configured to supply electrical power to the heater;   wherein the pre-vapor formulation includes,
 a solvent that includes at least one of propylene glycol and glycerin; and 
 a solution compound, the solution compound being at least one of,
 a saccharide compound, 
 a salt solution, and 
 a polyethylene glycol compound. 
 
   
     
     
         26 . The e-vaping device of  claim 25 , wherein,
 the solution compound is a saccharide compound, and   a concentration of the saccharide compound in the pre-vapor formulation is greater than 0 M and equal to or less than 2.5 M.   
     
     
         27 . The e-vaping device of  claim 26 , wherein,
 the saccharide compound includes at least one of,
 a monosaccharide compound, 
 a disaccharide compound, 
 a trisaccharide compound, and 
 a polyol compound. 
   
     
     
         28 . The e-vaping device of  claim 26 , wherein,
 the saccharide compound is a polyol compound, and   the polyol compound includes at least one of,
 mannitol, 
 erythritol, 
 xylitol, and 
 sorbitol. 
   
     
     
         29 . The e-vaping device of  claim 28 , wherein a concentration of the polyol compound in the pre-vapor formulation is equal to or greater than about 0.2% and equal to or less than about 10% by weight based on the weight of the pre-vapor formulation. 
     
     
         30 . The e-vaping device of  claim 29 , wherein the concentration of the polyol compound in the pre-vapor formulation is equal to or greater than about 0.2% and equal to or less than about 5% by weight based on the weight of the pre-vapor formulation. 
     
     
         31 . The e-vaping device of  claim 29 , wherein the concentration of the polyol compound in the pre-vapor formulation is equal to or greater than about 5% and equal to or less than about 8% by weight based on the weight of the pre-vapor formulation. 
     
     
         32 . The e-vaping device of  claim 29 , wherein the concentration of the polyol compound in the pre-vapor formulation is equal to or greater than about 8% and equal to or less than about 10% by weight based on the weight of the pre-vapor formulation. 
     
     
         33 . The e-vaping device of  claim 25 , wherein,
 the solution compound is a salt solution, and   the salt solution includes at least one of,
 sodium chloride, 
 sodium citrate, 
 sodium tartrate, 
 sodium succinate, 
 sodium sulfate, 
 calcium chloride, 
 magnesium chloride, 
 magnesium sulfate, and 
 potassium sulfate. 
   
     
     
         34 . The e-vaping device of  claim 33 , wherein a concentration of the salt solution in the pre-vapor formulation is greater than 0% and equal to or less than 10% by weight based on the weight of the pre-vapor formulation. 
     
     
         35 . The e-vaping device of  claim 25 , wherein,
 the solution compound is a polyethylene glycol (PEG) compound, and   the polyethylene glycol (PEG) compound includes at least one of,
 PEG 200, 
 PEG 300, and 
 PEG 400. 
   
     
     
         36 . The e-vaping device of  claim 35 , wherein a concentration of the polyethylene glycol compound in the pre-vapor formulation is greater than about 0% and is equal to or less than about 50% by weight based on the weight of the pre-vapor formulation. 
     
     
         37 . The e-vaping device of  claim 25 , wherein the power supply section includes a rechargeable battery. 
     
     
         38 . The e-vaping device of  claim 25 , wherein the cartridge and the power supply section are removably coupled together.