CPC Subgroup
C01B 33/14 Colloidal silica, e.g. dispersions, gels, sols
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
6 direct subcodes
Child Classifications
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- C01B 33/141 Preparation of hydrosols or aqueous dispersions
- C01B 33/145 Preparation of hydroorganosols, organosols or dispersions in an organic medium
- C01B 33/146 After-treatment of sols (; preparation of hydroorganosols, organosols or dispersions in an organic medium from hydrosols C01B33/145)
- C01B 33/152 Preparation of hydrogels
- C01B 33/155 Preparation of hydroorganogels or organogels
- C01B 33/157 After-treatment of gels