Improved bactericidal and non-bactericidal solutions for...

A - Human Necessities – 61 – L

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A61L 2/18 (2006.01) C11D 3/02 (2006.01) C11D 3/20 (2006.01) C11D 3/24 (2006.01) C11D 3/33 (2006.01) C11D 3/48 (2006.01)

Patent

CA 2350245

This invention relates to compositions for removing biofilms from contaminated surfaces. The compositions minimally comprise a detergent and a salt or a salt-forming acid. These components act together for rapidly and efficiently dismantle biofilms. The compositions may also comprise a bactericide, for destroying bacteria. One of the preferred compositions achieves, when reconstituted in a determined volume of water, concentrations of 0.5 % cetylpyridinium moieties, 1 % EDTA and 1 % of an acid or a salt of an acid selected from mandelic, glycolic, fumaric, citric and phosphoric acids, or a mixture thereof, at a pH higher than about 7.5. This composition removes and destroys biofilms.

L'invention concerne des compositions permettant de débarrasser des surfaces contaminées de films biologiques. Lesdites compositions sont constituées d'au moins un détergent et d'un sel ou d'un acide formant du sel. Ces constituants agissent ensemble pour anéantir rapidement et efficacement les films biologiques. Lesdites compositions peuvent également renfermer un bactéricide pour détruire les bactéries. Une des compositions préférées, une fois reconstituée dans un volume d'eau déterminé, permet d'obtenir des concentrations de 0,5 de fractions de cétylpyridinium, 1 d'EDTA et 1 d'un acide ou d'un sel d'un acide choisi parmi des acides mandélique, glyocolique, fumarique, citrique et phosphorique ou de leur mélange, à un pH supérieur à environ 7,5. Cette composition permet d'éliminer et de détruire les films biologiques.

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