Stock material or miscellaneous articles – Composite – Of inorganic material
Reexamination Certificate
2011-01-04
2011-01-04
Blackwell, Gwendolyn (Department: 1784)
Stock material or miscellaneous articles
Composite
Of inorganic material
C428S432000, C428S689000, C428S701000, C428S702000
Reexamination Certificate
active
07862910
ABSTRACT:
The invention provides a substrate bearing a photocatalytic coating. In some embodiments, the coating includes a photocatalytic film comprising titania deposited over a layer comprising tungsten oxide, aluminum oxide, niobium oxide or zirconium oxide. Additionally or alternatively, the photocatalytic film can include both titania and a material selected from the group consisting of nitrogen, tantalum, copper and silica. The invention also provides methods of depositing such coatings.
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patent
Burrows Keith J.
Krisko Annette J.
Myli Kari B.
Blackwell Gwendolyn
Cardinal CG Company
Fredrikson & Byron PA
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