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Atomization of liquids

  • US 4,356,528 A
  • Filed: 09/28/1979
  • Issued: 10/26/1982
  • Est. Priority Date: 07/15/1976
  • Status: Expired due to Term
First Claim
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1. A process of spraying pesticides at ultra-low volume onto plants comprising supplying a liquid pesticidal composition from a source thereof through a liquid passage to a spray orifice which has an at least electrically semiconducting surface adjacent a field intensifying electrode, said surface being electrically charged and the electrode being at such a potential and so sited relative to said surface that an atomising field strength is created at said orifice so that the liquid pesticide at said orifice is drawn out preponderantly by electrostatic forces substantially without corona discharge into ligaments which break up into electrically charged particles which are projected away from the electrode and into contact with the plants.

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