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DIFF Subgroup
C01B 13/24

in the presence of hot combustion gases

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 of elements in the gaseous state; by oxidation or hydrolysis of compounds in the gaseous state > of halides or oxyhalides > in the presence of hot combustion gases

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 of elements in the gaseous state; by oxidation or hydrolysis of compounds in the gaseous state > of halides or oxyhalides > in the presence of hot combustion gases

No child classifications to compare. This is a leaf node in both IPC and CPC.