abstract |
The present invention relates to antimicrobial compositions including an aromatic dialdehyde and a quaternary ammonium compound wherein the aromatic dialdehyde is orthophthalaldehyde, isophthalaldehyde, terephthalaldehyde, or combinations thereof, and the ratio of aromatic dialdehyde to quaternary ammonium compound is from about 10:1 to about 1:5. The invention also relates to methods of treating surfaces using the antimicrobial compositions of the invention. |