ClassID:

85012

C01B33/151 - CPC Classification

Classification description:

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 by progressively adding a sol to a different sol, i.e. "build-up" of particles using a "heel"

Recent Application in this class: