CPC Subgroup
C01B 33/141 Preparation of hydrosols or aqueous dispersions
Full Title
Silicon; Compounds thereof ( C01B21/00, C01B23/00 take precedence; persilicates C01B15/14; carbides C01B32/956) > Silicon oxides; Hydrates thereof > Silica; Hydrates thereof, e.g. lepidoic silicic acid > Colloidal silica, e.g. dispersions, gels, sols > Preparation of hydrosols or aqueous dispersions
3 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- C01B 33/142 by acidic treatment of silicates