Patent ID: 6835386
Filing Date: 2004-12-28
Classification: A01K,A01N,Y10S

Abstract:
A gel for use in a collar or ear tag device capable of the controlled, sustained release of an effective amount of an active ingredient that can protect an animal against arthropod pests, said gel comprising the admixture of: a gelling agent which is a fatty acid or salt thereof, an organic solvent which is a linear aliphatic ester, a silicone-based fluid, or a combination of a linear aliphatic ester and a silicone-based fluid; and an active ingredient that can protect the animal against one or more arthropod pests, wherein the organic solvent is methyl palmitate, dimethicone, or a combination thereof, and wherein the active ingredient is selected from the group consisting of lindane, methoxychlor, permethrin, cypermethrin, dichlorvos, diazinon, chlorfenvinphos, bendiocarb, amitraz, chlorpyrifos, deltamethrin and sevin.