Patent ID: 7638114
Filing Date: 2009-12-29
Classification: A01N,A61L

Abstract:
1. A method for the disinfection of air, comprising the distributing or atomizing of an antimicrobial composition, wherein a concentration of the antimicrobial composition of from 0.001 to 1 ml per m 3 of air is adjusted by said distributing or atomizing of said antimicrobial composition, and/or exchanging air systems are adjusted to achieve a dosage of from 0.001 to 1 ml per m 3 of air per hour, and/or a permanent concentration of from 5 to 10 ppb of the antimicrobial composition is achieved, wherein said antimicrobial composition is free from ethanol and isopropanol and comprises (a) at least 75% by weight of propylene glycol; and (b) 0.01 to 25% by weight of tannic acid.