Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium

Introduced: July 1974

Title

Titles differ between systems:

IPC: Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium

CPC: Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium

Full Title

Full titles differ between systems:

IPC:

Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium

CPC:

Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium

Of 9 combined children, 8 exist in both systems.

1 codes are CPC-only extensions.

IPC defines codes here since 1974.

Child Classifications

Navigate with arrow keys, Enter to open

B01J 21/005 CPC only CPC only
B01J 21/02 Boron or aluminium; Oxides or hydroxides thereof since 1974 IPC+CPC Available in IPC and CPC
B01J 21/06 Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof since 1974 +2 CPC IPC+CPC Available in IPC and CPC
B01J 21/10 Magnesium; Oxides or hydroxides thereof since 1974 IPC+CPC Available in IPC and CPC
B01J 21/12 Silica and alumina since 1974 IPC+CPC Available in IPC and CPC
B01J 21/14 Silica and magnesia since 1974 IPC+CPC Available in IPC and CPC
B01J 21/16 Clays or other mineral silicates since 1974 IPC+CPC Available in IPC and CPC
B01J 21/18 Carbon since 1974 +1 CPC IPC+CPC Available in IPC and CPC
B01J 21/20 Regeneration or reactivation since 1974 IPC+CPC Available in IPC and CPC