Biocidal composition
AssigneeIpsilon Laboratories CC
InventorNicolaas Duneas
Life of this patent
Estimating the term…
Abstract
A biocidal composition includes, in combination, poly(hexamethylene)biguanide, didecyldimethylammonium chloride a homogenizing agent and a flocculating agent. The biocidal composition is used to treat water to control microorganisms.
Claims14
A biocidal composition which includes poly(hexamethylene)biguanide hydrochloride in an amount of between 1 and 510 g/l, didecyldimethylammonium chloride in an amount of between 10 and 510 g/l, an homogenising agent selected from alcohols, polyols and polyethylene ethers in an amount of 300–400 g/l and a polyquatenary amine coagulating agent including poly(epichlorohydrin-dimethylamine) in an amount effective to increase free poly(hexamethylene)biguanide hydrochloride and didecyldimethylammonium chloride available in a circulating water system.
A method of making a biocidal composition, the method including the step of combining poly(hexamethylene)biguanide hydrochloride in an amount of between 1 and 510 g/l, didecyldimethylammonium chloride in an amount of between 10 and 510 g/l, an homogenising agent selected from alcohols, polyols and polyethylene ethers in an amount of 300–400 g/l and a polyquaternary amine coagulating agent including poly(epichlorohydrin-dimethylamine) in an amount effective to increase free poly(hexamethylene)biguanide hydrochloride and didecyldimethylammonium chloride available in a circulating water system.
Dependencies are inferred from the claim text.