DIFF Subgroup
B01J 31/38 of titanium, zirconium or hafnium
Introduced: July 1974
Full Title
Full titles differ between systems:
IPC:
Catalysts comprising hydrides, coordination complexes or organic compounds > containing in addition, inorganic metal compounds not provided for in groups > of titanium, zirconium or hafnium
CPC:
Catalysts comprising hydrides, coordination complexes or organic compounds (catalyst compositions used only in polymerisation reactions C08 ) > containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24 > of titanium, zirconium or hafnium
No child classifications to compare. This is a leaf node in both IPC and CPC.