COMPLEX BACTERICIDAL ADDITIVE Russian patent published in 2014 - IPC C10L1/228 C10M141/00 C10L1/12 C10L1/182 C10L1/238 C10L10/00 

FIELD: biotechnology.

SUBSTANCE: invention relates to the complex bactericidal additive containing quaternary ammonium salts, polyhexamethylene guanidine and the solvent, at that as the solvent it comprises aqueous solution of ethyl alcohol and glycerol. Use of the complex bactericidal additive in small doses increases the efficiency of antibacterial treatment of aqueous solutions and surfaces in contact with oil products while production, storage and exploitation of petroleum products.

EFFECT: additive has low temperature of crystallisation, which enables to use it effectively in northern regions.

3 cl, 4 tbl