DIFF Subgroup
C01F 7/085 according to the lime-sinter process
Introduced: January 2022
Full Title
Full titles differ between systems:
IPC:
Compounds of aluminium > Aluminium oxide; Aluminium hydroxide; Aluminates > Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom > by treating aluminous minerals with sodium carbonate, e.g. sinter processes > according to the lime-sinter process
CPC:
Compounds of aluminium > Aluminium oxide; Aluminium hydroxide; Aluminates > Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom (C01F7/028 takes precedence) > by treating aluminous minerals with sodium carbonate, e.g. sinter processes (C01F7/0613, C01F7/066 take precedence) > according to the lime-sinter process
No child classifications to compare. This is a leaf node in both IPC and CPC.