Patent ID: 6572872
Filing Date: 2003-06-03
Classification: A01N,Y10S

Abstract:
A combination of a protected area and a controlled release barrier, the combination comprising:a protected area, the protected area being free of cold-blooded vertebrae animals; and a controlled release barrier surrounding the protected area, the barrier comprising 78-98 weight percent of polymeric matrix having an outside surface; 2-15 weight percent of pesticide, the pesticide being dispersed throughout the matrix; and 0-7 weight percent of a carrier, the barrier being placed at all entry points for accessing the protected area by cold-blooded vertebrae animals so as to prevent intrusion of the protected area by the cold-blooded vertebrae animals, the pesticide releasing to the surface of the polymeric matrix at a rate of least about 40 &mgr;g/cm2/day so as to repel or kill the cold-blooded vertebrae animals coming in contact with the pesticide, the controlled release barrier preventing cold-blooded animals from entering the protected area.