Patent ID: 8758787

Claim:
A method, comprising: obtaining a mass of a composition exhibiting insect repellent, antifeedant or pesticide activity and comprising a carrier, an insect repellent, antifeedant or pesticide, and a molecular sieve material which has adsorbed at least some of said insect repellent, antifeedant or pesticide, wherein said molecular sieve material and said insect repellent, antifeedant or pesticide are chosen such that after 90 days of use, said insect repellent, antifeedant or pesticide evaporates by diffusion and not by chemical reaction from said molecular sieve material at a daily loss of original insect repellent, antifeedant or pesticide content in the range of 0.02% and 0.1% for at least 90 days; placing said mass in an electrical box containing electrical wires and which is subject to outdoor conditions and which regularly reaches temperatures exceeding 120° F. in order to keep insects away from said electrical wires; and leaving said mass in said electrical box for at least 180 days, wherein said insect repellent, antifeedant or pesticide evaporates by diffusion and not by chemical reaction at said daily loss for at least 90 days.