DIFF Subgroup
C04B 22/06 Oxides, Hydroxides (C04B22/0013 takes precedence)
Introduced: January 1985
Title
Titles differ between systems:
IPC: Oxides; Hydroxides
CPC: Oxides, Hydroxides (C04B22/0013 takes precedence)
Full Title
Full titles differ between systems:
IPC:
Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators > Oxides; Hydroxides
CPC:
Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators > Oxides, Hydroxides (C04B22/0013 takes precedence)
Of 3 combined children, 0 exist in both systems.
3 codes are CPC-only extensions.
Child Classifications
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