Potentiation of biocide activity using an n-alkyl...

Details Potentiation of biocide activity using an n-alkyl... Potentiation of biocide activity using an n-alkyl...

A - Human Necessities

01

N

A01N 43/80 (2006.01) A01N 33/02 (2006.01) A01N 37/34 (2006.01) A01N 43/36 (2006.01) A01N 43/40 (2006.01) A01N 43/48 (2006.01) A01N 43/50 (2006.01) A01N 43/76 (2006.01) A01N 43/84 (2006.01) A01N 47/12 (2006.01) D21H 21/36 (2006.01) C02F 1/50 (2006.01)

Patent

CA 2222864

A method for increasing the effectiveness of a microbicide is described. In the method, a microbicide and an N-alkyl heterocyclic compound are applied to a substrate or aqueous system subject to the growth of microorganisms. The N-alkyl heterocyclic compound is applied in an amount effective to increase the microbicidal activity of the microbicide. The N-alkyl heterocyclic compound has formula (I). The variable "n" ranges from 5 to 17, and the heterocyclic ring defined by (a) is a substituted or unsubstituted ring having four to eight members. Microbicidal compositions are described where the microbicide and the N-alkyl heterocyclic compound are present in a combined amount effective to control the growth of at least one microorganism. Methods for controlling the growth of microorganisms on various substrates and in various aqueous systems are also described. The combination of the microbicide and the N-alkyl heterocyclic compound is particularly useful as a microbicide in the leather industry, the lumber industry, the papermaking industry, the textile industry, the agricultural industry, and the coating industry, as well as in industrial process waters.

L'invention se rapporte à un procédé qui permet d'améliorer l'efficacité d'un agent microbicide. Ce procédé consiste à appliquer un microbicide et un composé hétérocyclique N-alkyle sur un substrat ou un système aqueux sujet au développement de micro-organismes. Le composé hétérocyclique N-alkyle est appliqué en dose efficace pour augmenter l'activité microbicide propre au microbicide. Le composé hétérocyclique N-alkyle a la formule (I). Dans ladite formule, la variable "n" a une valeur comprise entre 5 et 17, et le noyau hétérocyclique défini par (a) est un noyau substitué ou non ayant entre 4 et 8 éléments. On décrit par ailleurs des compositions microbicides dans lesquelles le microbicide et le composé hétérocyclique N-alkyle sont présents dans des proportions combinées efficaces pour empêcher la croissance d'au moins un micro-organisme. On décrit aussi des procédés qui permettent d'empêcher la prolifération de micro-organismes sur différents substrats et dans divers systèmes aqueux. La combinaison du microbicide et du composé hétérocyclique N-alkyle est particulièrement utile en tant que microbicide dans l'industrie du cuir, l'industrie du sciage, l'industrie du papier, l'industrie textile, l'agriculture, l'industrie du revêtement et le traitement des eaux industrielles.

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