Patent ID: 6645307
Filing Date: 2003-11-11
Classification: C11D

Abstract:
An aqueous liquid cleaning composition which is adapted to be laid down on a surface as a liquid film and dried to leave a residue thereon, said composition comprising an admixture of:(a) from 0.01% to 20% by weight of titania as a photocatalytic material able to combat soils and/or undesired microorganisms and/or malodours; the titania comprising particles having a mean size in the range of from 5 to 100 nm; (b) from 0.00001% to 1.0% by weight of a sensitiser which is capable of absorbing radiation of a first wavelength from visible light and emitting radiation of a second wavelength, said sensitiser enhancing the efficacy of the titania against the soils and/or undesired microorganisms and/or malodours; and (c) a surfactant.