Patent ID: 6235299
Filing Date: 2001-05-22
Classification: A01N,C02F

Abstract:
A method to increase the effectiveness of a biocide comprising the step of applying at least one biocide and at least one diethanolamide of a C.sub.12 -C.sub.22 fatty acid to a substrate or aqueous system subject to the growth of microorganisms, wherein said diethanolamide is applied in an amount effective to increase the biocidal activity of the biocide, wherein said biocide is potassium N-hydroxymethyl-N-methyl thiocarbamate, 2-thiocyanometylthiobenzothiazole, propiconazole, 2-bromo-4'-hydroxyacetophenone, sodium 2-mercaptobenzothiazole or a mixture thereof.