DIFF Subgroup
B01J 37/03 Precipitation; Co-precipitation
Introduced: January 1985
Full Title
Full titles differ between systems:
IPC:
Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts > Impregnation, coating or precipitation > Precipitation; Co-precipitation
CPC:
Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts > Impregnation, coating or precipitation ( ; protection by coating B01J33/00) > Precipitation; Co-precipitation
Of 3 combined children, 0 exist in both systems.
3 codes are CPC-only extensions.
Child Classifications
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