Photocatalytic coating
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United States of America Patent
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Sep 8, 2015
Grant Date -
Oct 30, 2014
app pub date -
Jul 7, 2014
filing date -
Aug 31, 2007
priority date (Note) -
In Force
status (Latency Note)
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Abstract
De-polluting, self-cleaning coating compositions are disclosed which comprise an organic binder having dispersed therein photocatalytic titanium dioxide particles substantially in anatase form which have an average crystallite size between about 1 nm and about 150 nm and which preferably have photocatalytic activity in the presence of visible light. Advantageously, the coatings of the invention do not require pre-activation to achieve high initial photocatalytic activity against pollutants in the air, such as NOx compounds.
First Claim
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International Classification(s)
- B82Y:SPECIFIC USES OR APPLICATIONS OF NANO-STRUCTURES; ....
- C08F:MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONL....
- C04B:LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREO....
- C09D:COATING COMPOSITIONS, e.g. PAINTS, VARNISHES, LACQ....
- B01J:CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, CO....
- B01D:SEPARATION
- C08K:USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUB....
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