Patent ID: 9603357
Date: 2017-03-28
CPC Classifications: A01M,A01N,A61L,B05B,C11B

Claim:
1. A method to evaporate active ingredients from a liquid solution, in which said liquid solution comprises a solvent and at least one type of active ingredient, the method comprising: dispensing in controlled time periods doses of said liquid solution on a liquid retaining support, wherein the solvent is evaporated from said support such that only the active ingredient remains on the support, and wherein the active ingredient is evaporated from the support after most of the solvent has evaporated; wherein the time periods between doses are controlled such that a dose of the liquid solution is dispensed on said support at an instant in time after the evaporation of most of the active ingredient of a previous dose from the support; wherein the solvent and the active ingredient are evaporated at room temperature; and wherein the active ingredient is an insecticide and/or a perfume.