Abstract: A method of killing flying insects which method comprises spraying into the air in which insects are flying liquid droplets of an insecticidal composition, a unipolar charge being imparted to the said liquid droplets by double layer charging and charge separation during spraying, the unipolar charge being at a level such that the said droplets have a charge to mass ratio of at least +/−1×10−4 C/kg.
Type:
Grant
Filed:
March 7, 2000
Date of Patent:
March 13, 2001
Assignees:
University of Southampton, Reckitt Benckiser (UK) Ltd.
Inventors:
Rodney Thomas Fox, Neale Mark Harrison, John Farrell Hughes, Lindsey Faye Whitmore