Self-adhesive fragranced gels

Abstract

The present invention relates to the field of perfumery. It relates more particularly to a gel device which allows for an effective and prolonged evaporation of an active volatile ingredient. The gel device of the present invention includes an active volatile ingredient and a gelling agent of dibutyl lauroyl glutamide and dibutyl ethylhexanoyl glutamide.

1 . A self adhering, water resistant gel composition comprising:
 between 30 and 95% by weight, relative to the weight of gel composition, of an active volatile ingredient or mixture of ingredients;   silica; and   a water-soluble cationic polysaccharide.   
     
     
         2 . A composition according to  claim 1 , further comprising:
 a mineral filler;   a solvent;   water; and/or   a preservative, an antioxidant and/or an end point indicator.   
     
     
         3 . A composition according to  claim 1 , which does not comprise any surfactant. 
     
     
         4 . A composition according to  claim 1  that consists essentially of:
 between 30 and 95% of an active volatile ingredient or mixture of ingredients; 
 silica; and 
 a water-soluble cationic polysaccharide; 
 and optionally,
 a mineral filler; 
 a solvent; 
 water; and 
 a preservative, an antioxidant and/or an end point indicator. 
 
 
     
     
         5 . A composition according to  claim 4 , that consists essentially of:
 between 30 and 95% of an active volatile ingredient or mixture of ingredients;   silica; and   a water-soluble cationic polysaccharide.   
     
     
         6 . A composition according to  claim 1 , wherein the volatile ingredient or mixture of ingredients is a perfume or a malodor counteractant. 
     
     
         7 . A composition according to  claim 1  which comprises:
 from 1 to 15% of silica; 
 from 0.1 to 6% of cationic water-soluble polysaccharide; 
 from 0 to 20% of mineral filler; 
 from 0 to 95% of solvent; 
 from 0 to 50% of water; and 
 from 0 to 5% of a preservative, an antioxidant and/or an end point indicator. 
 
     
     
         8 . A composition according to  claim 1  which comprises from 60 to 95% of active volatile ingredient or mixture of ingredients. 
     
     
         9 . A composition according to  claim 1  wherein the composition comprises water. 
     
     
         10 . A composition according to  claim 1  wherein the water-soluble cationic polysaccharide is a modified guar gum or a hydroxylated guar gum. 
     
     
         11 . A composition according to  claim 10 , wherein the modified gum is 2-hydroxypropyl-3-(trimethylammoniumchloride) guar-gum ether. 
     
     
         12 . An air freshener comprising a composition according to  claim 1 , together with packaging materials. 
     
     
         13 . A method for dispensing an active volatile in the environment surrounding a surface, which comprises applying a composition according to  claim 1  on such surface, without the use of adhesive, support or carrying means. 
     
     
         14 . A method for dispensing an active volatile according to  claim 13 , wherein the surface is repeatedly exposed to humidity or to a water flow. 
     
     
         15 . A process for preparing a self adhering, water resistant gel composition comprising between 30 and 95% by weight of a volatile ingredient or mixture of ingredients, comprising the following steps, which are all carried out at room temperature:
 a) mixing the volatile ingredient or mixture of ingredients, optionally pre-mixed with a solvent and/or water, with a water-soluble cationic polysaccharide;   b) optionally adding a mineral filler, a preservative, an antioxidant and/or an end point indicator to the mixture obtained in step a);   c) adding silica to the mixture obtained in step a) or b) under continuous stirring; and   d) stirring until complete dispersion of the silica and formation of the self-adhering, water resistant gel composition.