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IPC Subgroup
C01B 33/149

Coating

Introduced: January 1980

Last revised: January 2006

Full Title

Silicon; Compounds thereof > Silicon oxides; Hydrates thereof > Silica; Hydrates thereof, e.g. lepidoic silicic acid > Colloidal silica, e.g. dispersions, gels, sols > After-treatment of sols > Coating

Classification Context

Section:
CHEMISTRY; METALLURGY
Class:
INORGANIC CHEMISTRY
Subclass:
NON-METALLIC ELEMENTS; COMPOUNDS THEREOF