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US 6,593,283 B2Granted
Antimicrobial composition
AssigneeEcolab Inc.
InventorsRobert D. P. Hei, Guang-jong J. Wei, David A. Halsrud, Kim R. Smith, Teresa C. Podtburg
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AssigneeEcolab Inc.
InventorsRobert D. P. Hei, Guang-jong J. Wei, David A. Halsrud, Kim R. Smith, Teresa C. Podtburg
Estimating the term…
A method for antimicrobial treatment comprising applying to microbes a composition containing a diluting solvent (e.g., water), an antimicrobially-active solvent having a density different from the density of the diluting solvent, and an optional cosolvent, surfactant, or additional antimicrobial agent, wherein the amount of antimicrobially-active solvent or additional antimicrobial agent is sufficiently high and the amount of cosolvent or surfactant is sufficiently low so that the composition will provide greater than a 1-log order reduction in the population of bacteria or spores of Bacillus cereus within 10 seconds at 60° C. Preferred methods of the invention employ compositions containing an additional antimicrobial agent such as peroxyacetic acid. Compositions for use in the method can be prepared as concentrates, and used full strength or in diluted form.
A kit comprising an antimicrobial concentrate and instructions for mixing the concentrate wit water, wherein the concentrate comprises an antimicrobially-active solvent tat has a density different from that of water, an additional antimicrobial agent and an optional cosolvent or surfactant, the amounts of antimicrobially-active solvent and additional antimicrobial agent being sufficiently high and the amount of cosolvent or surfactant being sufficiently low so that when the concentrate is mixed with water according to the instructions the resulting mixture will provide greater than a 1-log order reduction in a population of Bacillus cereus within 10 seconds at 60° C. and a synergistic reduction in such population compared to the use of either the antimicrobially-active solvent or the additional antimicrobial agent alone.
An antimicrobial composition comprising a diluting solvent, an antimicrobially-active solvent having a density that is different from the density of the diluting solvent, an additional antimicrobial agent and an optional cosolvent or surfactant, wherein the amounts of antimicrobially-active solvent and of additional antimicrobial agent are sufficiently high and the amount of cosolvent or surfactant is sufficiently low so that the composition will provide greater than a 1-log order reduction in the a population of Bacillus cereus within 10 seconds at 60° C. and a synergistic reduction in such population compared to the use of either the antimicrobially-active solvent or the additional antimicrobial agent alone.
An antimicrobial composition comprising water and about 75 weight % to about 95 weight % of an antimicrobially-active solvent having a density that is different from the density of water, and an optional cosolvent, surfactant, or additional antimicrobial agent, wherein the amounts of antimicrobally-active solvent and of additional antimicrobial agent are sufficiently high and the amount of cosolvent or surfactant is sufficiently low so that the composition will provide treater than a 1-log order reduction in to population of bacteria of Bacillus cereus within 10 seconds at 60° C.
An antimicrobial composition comprising a diluting solvent, an antimicrobially-active solvent having a density that is different from the density of the diluting solvent, a cosolvent comprising at least one of diethylene glycol butyl ether or dipropylene glycol butyl ether, and an optional surfactant or additional antimicrobial agent, wherein the amounts of antimicrobially-active solvent and of additional antimicrobial agent are sufficiently high and the amount of cosolvent or surfactant is sufficiently low so that the composition will provide greater than a 1-log order reduction in the population of bacteria of Bacillus cereus within 10 seconds at 60° C.
Dependencies are inferred from the claim text.