Patent ID: 8592358

Claim:
A microbicidal composition in the form of a concentrate comprising: a) one or more isothiazolin-3-one (isothiazolone); b) one or more organic amine selected from N-dodecylpropane-1,3-diamine and bis(aminopropyl)-dodecylamine; and c) one or more oxidizing agent selected from the group consisting of: chloric acid, perchloric acid, bromic acid, iodic acid, periodic acid and salts thereof, nitrates, H 2 O 2 , H 2 O 2 — donors, sodium percarbonate, sodium perborate, urea peroxide, peroxides, t-butyl peroxide, percarboxylic acids, peracetic acid and salts thereof, persulphuric acids and salts thereof, peroxodisulphonic acid and salts thereof, perphosphoric acids and salts thereof, transition metals, Cu, Zn and Fe in relatively high oxidation states, disulphides, pyrion disulphide, oxidases, glucose peroxidase, potassium iodate, sodium periodate, sodium bromate, and Cu(II) salts.