Claim 1: Active biocidal Composition of Powders for use in e.g. filament, yarn, Non Woven Fabrics, laminated Plastics, Adhesives, Foams, Emulsions, gels, creams, and / or (whether melamine Resins, or any other type), Paints or Varnishes or Impregnation of Ma Deras,Characterized in that it comprises at least two Copper Salts and at least one zinc salt or a Salt of copper and at least two zinc salts, such that the molar ratio between the total of the total Copper Salts and zinc salts is in the range of 10 to 1； at least one of the salts used in L The mixture should have a particle size of approximately less than 0,5 mm； and each Copper Salt and Zinc, separately, have a constant of solubility (KPS) in the range from a value greater or equal to 1 * 10 u207b u00b2 u2070 to a value less than or equal to 9 * 10 u207b u2076.Claim 13: process of manufacture of the biocide composition for use in e.g. filament, yarn, Non Woven Fabrics, laminated Plastics, Adhesives, Foams, Emulsions, gels, creams, and / or (whether melamine Resins, or any other type), or Paints or Varnishes Impregnation of WoodCharacterized in that it comprises: (a) have at least two Copper Salts and at least one zinc salt or at least a Copper Salt and at least two salts of zinc, such that the molar ratio between the total of the total Copper Salts and zinc salts is in the range of 10 to 1 at least one of the SA； They Used in the mixture should have a particle size of approximately less than 0,5 mm； and each Copper Salt and Zinc separately have a solubility Constant in the range from a value greater or equal to 1 * 10 u207b u00b2 u2070 to a value less than or equal to 9 * 10 u207b u2076； (b) to mix intimately the at least two Copper Salts and at least one zinc salt or the at least one At least two Copper Salt and zinc salt.In order to obtain a homogeneous distribution of composition of a biocidal Active Powders； (c) to maintain the temperature of mixed controlled such that approximately or less； and (d) mixi
