Stock material or miscellaneous articles – Composite – Of inorganic material
Reexamination Certificate
2011-06-14
2011-06-14
Speer, Timothy M (Department: 1784)
Stock material or miscellaneous articles
Composite
Of inorganic material
C428S221000, C428S323000, C428S701000, C106S713000, C106S733000, C106S819000, C404S018000, C404S034000, C404S073000, C404S099000, C427S126300, C427S136000, C427S403000, C427S419200
Reexamination Certificate
active
07960042
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.
REFERENCES:
patent: 6409821 (2002-06-01), Cassar et al.
patent: 885857 (1998-12-01), None
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patent: 1020564 (2000-07-01), None
patent: 2000045204 (2000-02-01), None
patent: 2002-239398 (2002-08-01), None
patent: 2002242113 (2002-08-01), None
patent: WO 9805601 (1997-07-01), None
patent: WO 9805601 (1998-02-01), None
Kaneda JP-2002-239398 English Machine Translation.
Calza & Pelizzetti, Photocatalytic transformation of organic compounds in the presence of inorganic ions, Pure Appl. Chem., vol. 73, No. 12, pp. 1839-1848, 2001.
International Search Report, PCT/EP2004/001525, Jun. 7, 2004.
Cassar Luigi
Cucitore Roberto
Pepe Carmine
Abelman ,Frayne & Schwab
Italcementi S.p.A.
Robinson Lauren
Speer Timothy M
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