Cement-based paving blocks for photocatalytic paving for the abatement of urban pollutants
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United States of America Patent
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Jun 14, 2011
Grant Date -
Jul 6, 2006
app pub date -
Feb 18, 2004
filing date -
Feb 18, 2003
priority date (Note) -
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Abstract
Paving blocks for photocatalytic paving comprising at least a base layer in cementitious material and a surface layer based on a cementitious composition comprising:at least a hydraulic binder, a photocatalyst capable of oxidizing organic and inorganic polluting substances present in the environment in the presence of environmental light, air and humidity, at least an aggregate, water and, optionally, a water reducing additive.
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