Patent ID: 6319511
Filing Date: 2001-11-20
Classification: A01N,Y10S

Abstract:
A method for creating a barrier to entry of crawling or soil borne insects to provide long term protection of an area of ground, a space, or a structure from intrusion by said insects, said method comprising the following steps:(a) placing a controlled release barrier at the entry points to said area, space, or structure, said barrier having an outside surface and comprising a polymeric matrix and a pesticide within said matrix, said matrix having an outside surface;(b) allowing the pesticide to release onto the outside surface of the matrix and accumulate on said outside surface of the matrix, the release rate of the pesticide being greater than 0.4 .mu.g/cm.sup.2 /day and less than 10 .mu.g/cm.sup.2 /day, said rate being sufficient to deter the insects so as to protect said area, space, or said structure from intrusion by said crawling or soil borne insects.