Improved iodine antimicrobial compositions containing...

A - Human Necessities – 01 – N

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A01N 59/12 (2006.01) A01N 25/04 (2006.01)

Patent

CA 2306224

Stable, aqueous, iodine-based germicidal compositions are provided which include respective amounts of available iodine, non-ionic surfactant (e.g., polyoxyethylene, polyoxypropylene block copolymers) and an iodine-solubilizing halide ion selected from the group consisting of Cl- and Br- and mixtures thereof. Use of Cl- and/or Br- substantially reduces or completely eliminates the need for iodide ion in the compositions for maintaining available iodine in solution. The compositions can be in the form of dilutable concentrates or final use solutions.

L'invention concerne des compositions germicides, à base d'iode, aqueuses et stables, comprenant respectivement des doses d'iode disponible, de tensioactif non ionique (par exemple des copolymères séquencés de polyoxyéthylène, de polyoxypropylène) ainsi qu'un ion halogénure se solubilisant dans l'iode et choisi dans le groupe constitué par Cl<-> et Br<-> et par des mélanges de ceux-ci. L'utilisation de Cl<-> et de Br<-> permet de réduire sensiblement ou d'éliminer complètement le recours à un ion iodure dans ces compositions pour maintenir de l'iode disponible dans la solution. Ces compositions peuvent se présenter sous la forme de concentrés à diluer ou de solutions prêtes à l'emploi.

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