C01B 13/14 Methods for preparing oxides or hydroxides in general (particular individual oxides or hydroxides, see the relevant groups of subclasses C01B - C01G or C25B, according to the element combined with the oxygen or hydroxy group)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Methods for preparing oxides or hydroxides in general
CPC: Methods for preparing oxides or hydroxides in general (particular individual oxides or hydroxides, see the relevant groups of subclasses C01B - C01G or C25B, according to the element combined with the oxygen or hydroxy group)
Full Title
Full titles differ between systems:
Oxygen; Ozone; Oxides or hydroxides in general > Methods for preparing oxides or hydroxides in general
Oxygen; Ozone; Oxides or hydroxides in general > Methods for preparing oxides or hydroxides in general (particular individual oxides or hydroxides, see the relevant groups of subclasses C01B - C01G or C25B, according to the element combined with the oxygen or hydroxy group)
Of 7 combined children, 6 exist in both systems.
1 codes are CPC-only extensions.
IPC defines codes here since 1980.
Child Classifications
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- C01B 13/18 by thermal decomposition of compounds, e.g. of salts or hydroxides since 1980 +1 CPC IPC+CPC Available in IPC and CPC
- C01B 13/20 by oxidation of elements in the gaseous state; by oxidation or hydrolysis of compounds in the gaseous state since 1980 IPC+CPC Available in IPC and CPC
- C01B 13/32 by oxidation or hydrolysis of elements or compounds in the liquid or solid state since 1980 +3 CPC IPC+CPC Available in IPC and CPC
- C01B 13/34 by oxidation or hydrolysis of sprayed or atomised solutions since 1980 IPC+CPC Available in IPC and CPC
- C01B 13/36 by precipitation reactions in solutions since 1980 +2 CPC IPC+CPC Available in IPC and CPC