DIFF Subgroup
C01B 13/32 by oxidation or hydrolysis of elements or compounds in the liquid or solid state
Introduced: January 1980
Full Title
Full titles differ between systems:
IPC:
Oxygen; Ozone; Oxides or hydroxides in general > Methods for preparing oxides or hydroxides in general > by oxidation or hydrolysis of elements or compounds in the liquid or solid state
CPC:
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) > by oxidation or hydrolysis of elements or compounds in the liquid or solid state
Of 3 combined children, 0 exist in both systems.
3 codes are CPC-only extensions.
Child Classifications
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