Aqueous anti-microbial compositions containing organotin...

A - Human Necessities – 01 – N

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A01N 55/04 (2006.01) B27K 3/50 (2006.01)

Patent

CA 2222546

A stable, aqueous, anti-microbial composition comprising: (a) one or more organotin compounds; and (b) one or more surfactants for solubilizing the organotin compounds selected from the group consisting essentially of: (i) surfactants comprising a non-ionic ethylene oxide-propylene oxide block copolymer having the formula (I) -(CH2CH2O)x-(CH2CH(CH3)O)y- where x ranges from about 1-30 and y ranges from about 1-30; (ii) surfactants comprising an amine-acid having formula (II), where R1 is a branched or straight chain C10- C18 alkyl group; (iii) surfactants comprising an amine-oxide having formula (III), where R2 is a branched or straight chain C10-C18 alkyl group; and combinations thereof.

Cette invention concerne une composition aqueuse stable à vertu antimicrobienne qui contient: (a) au moins un composé organostannique, et (b) au moins un agent de surface servant à solubiliser les composés organostanniques, ledit agent étant sélectionné dans le groupe constitué principalement par: (i) des agents de surface comportant un copolymère bloc non ionique d'oxyde de propylène et d'oxyde d'éthylène représenté par la formule (I) -(CH¿2?CH¿2?O)¿x?-(CH¿2?CH(CH¿3?)O)¿y?- dans laquelle x est compris entre 1 et 30 et y est compris entre 1 et 30, (ii) des agents de surface comportant un amino acide représenté par la formule (II) dans laquelle R?1¿ est un groupe alkyle C¿10?-C¿18? à chaîne droite ou ramifiée, (iii) des agents de surface comportant un amino oxyde représenté par la formule (III) dans laquelle R?2¿ est groupe alkyle C¿10?-C¿18? à chaîne droite ou ramifiée ainsi que des combinaisons de ces différents agents de surface.

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