11.02.16
US Patent No. 9,408,791 B2; Coswell S.p.A, Funo di Argelato, Italy, has been awarded a US patent for an oral care and oral hygiene product having photocatalytic activity comprising particles of a calcium phosphate compound, superficially functionalized with TiO2 nanoparticles. The TiO2 is in the form of anatase, optionally mixed with rutile and/or brookite.