Photocatalytic composition

Details Photocatalytic composition Photocatalytic composition

2006-11-28

2006-11-28

Hardee, John R. (Department: 1751)

Cleaning and liquid contact with solids

Processes

Miscellaneous

C510S372000

Reexamination Certificate

active

07141125

ABSTRACT:
Cleaning compositions including a photocatalytic material and a sensitiser employ a photocatalytic material and a sensitiser at a locus, for example on a surface. The residue combats soils and/or undesired microorganisms at the locus. The photocatalytic material is peroxo modified titania, preferably in its anatase form, or peroxo modified titanic acid, or a mixture thereof. The compositions are preferably alkaline.

REFERENCES:
patent: 4189396 (1980-02-01), Brace et al.
patent: 2 729 673 (1996-07-01), None
patent: 1 600 993 (1981-10-01), None
patent: 2 358 638 (2001-08-01), None
patent: WO 98/32829 (1998-07-01), None
patent: WO 01/46367 (2001-06-01), None
E. Yesodharan et al., Helvetica Chimica Acta 1983, vol. 66, pp. 2145-2153. No month available.
GB 0115832.8 Search Report dated Dec. 14, 2001.

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