Patent ID: 9662413
Date: 2017-05-30
CPC Classifications: A61L,C11B

Claim:
1. A method for dispensing an active volatile in the environment surrounding a surface, which comprises applying to the surface a self-adhering, water-resistant gel composition that is free from water or contains less than 15% by weight of water and comprising above 30 up to 95% by weight, relative to the total weight of the gel composition, of at least one active volatile ingredient; silica in an amount of from 1 to 15% by weight of the total weight of the gel composition; and a water-soluble modified guar gum or a hydroxylated guar gum in an amount of from 0.1 to 6% by weight of the total weight of the gel composition to provide strength to the gel; and diffusing or releasing the volatile ingredient(s) from the gel in an amount sufficient to purify or sanitize the surrounding air, both in a dry condition or in the presence of humidity or water; wherein the gel composition remains adhered to the surface while actively releasing the volatile ingredient(s) even after being exposed to repeated water flows over the composition.