CPC Subgroup
C01B 13/322 Full Title
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
1 direct subcode
Child Classifications
Navigate with arrow keys, Enter to open