Patent ID: 9226491
Filing Date: 2016-01-05
CPC Classification: A01M,E04B,F24F

Claim Text:
1. A method of protecting a building from damage by termites, comprising the steps of: infusing, for a first predetermined period of time, a protected region of ground below the building with ozone by delivering the ozone into said protected region at a determined concentration of up to 0.1 ppm which is less than that at which its presence would cause harmful effects on humans occupying the building and sufficient to cause termites that may be present to vacate said protected region, discontinuing the delivery of ozone to said protected region after the first predetermined period of time for a second predetermined period of time, recommencing, for a third predetermined period of time, delivery of ozone at said determined concentration after the second predetermined period of time, and repeating the steps of delivering and discontinuing delivery of of ozone wherein the said first, second and third predetermined periods of time are of respective irregular durations, whereby to reduce the likelihood of termites becoming resistant or tolerant to the arrangement of the delivery of the ozone.