Patent ID: 8067019
Filing Date: 2011-11-29
Classification: A01M,A01N

Abstract:
1. An air treatment chemical dispensing substrate in the form of a spiral coil that is configured for dispensing the air treatment chemical by burning the substrate, the coil comprising a burnable body having at least 89% by weight of non-wax base material, between 0.05% and 10% by weight of wax, and an air treatment chemical to be dispensed by the substrate; wherein there is such air treatment chemical in a coating portion of the spiral coil, and an internal portion of the spiral coil has no wax or a reduced concentration of wax relative to a concentration thereof at a top peripheral surface of the coil; wherein said coating also comprises an emulsifier and the wax; and wherein the wax is an oxidized wax with acid groups that have been neutralized with a base.