Patent 8349445 was granted and assigned to Saint-Gobain on January, 2013 by the United States Patent and Trademark Office.
The invention relates to a substrate comprising at least one photocatalytic compound active under the conditions of illuminating an interior of a building or transport vehicle, intended to neutralize the microorganisms with which it comes into contact, and also to its preparation processes and its uses as glazing or another substrate for disinfection, filtration, ventilation, etc.