C·SPEC

Silica nanoparticles used in scientific research; silica nanoparticles with a unique fluorescent color or combination of colors used in energy industry, namely, tracing of flows of liquids in oil fields; silica nanoparticles with a unique fluorescent color or combination of colors used in security, namely, preventing counterfeit goods by adding unique fluorescent coloring or fluorescent color combinations to the goods or packaging for the goods to make counterfeiting more difficult