Patent ID: 6902725
Filing Date: 2005-06-07
Classification: A61L

Abstract:
1. A device which comprises an air freshener or deodorizer comprising a homogeneous colored anhydrous gel element, the element comprising a cross-linked functionalized liquid polymer selected from the group consisting of maleinized polybutadiene, maleinized polyisoprene, and a copolymer of ethylene and maleic anhydride, wherein the functionalized liquid polymer is cross-linked with a cross-linking agent comprising at least one complementary functional group in the presence of a non-aqueous perfume or deodorizing base and at least one metal-free solvent dye, wherein the metal-free solvent dye is soluble in the non-aqueous perfume or deodorizing base, or is provided as a solution in a non-aqueous solvent compatible with the non-aqueous perfume or deodorizing base and is selected from the group consisting of a monoazo dye, a diazo dye, an anthraquinone dye, and a methine dye.