The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 01, 2009
Filed:
Sep. 30, 2004
Laurent Geron, Les Waleffes, BE;
René Winand, Rixensart, BE;
Leila Dehbi, Martigues, FR;
Arcelormittal France, , FR;
Abstract
The invention relates to an appliance for the continuous photocatalytic purification of the air in a room, said appliance preferably being in the form of a wall () and comprising an external steel structure, an opening () for the admission of the air to be processed, an internal metallic framework () to which a plurality of UVA lamps () are fixed, a photocatalytic filter (), and an opening () for discharging the purified air. The inventive appliance is characterised in that the photocatalytic filter comprises at least one metal grating () covered by a film containing titanium dioxide (TiO), mainly in an anatase phase, in order to maximise the surface of the photocatalyst illuminated by the UVA light.