Clentech (Clean Environmental Technology), innovative start-up and Spin off of the University of Cagliari, offers innovative materials for protection and safeguard of environment in building sector and not only. Business’ core consists in exploitation of an international patent that allows creation of a photocatalytic compound that degrades pollutants, mold, bacteria, viruses by receiving light. Innovation lies in use of both UV rays and LED light to sanitize air, water and environments. https://clentech.eu