Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators

Introduced: January 1985

CPC subdivides this area 3x more granularly than IPC with 7 additional codes.

7 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1985.

Child Classifications

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C04B 22/0006 CPC only CPC only
C04B 22/0013 CPC only CPC only
C04B 22/002 +5 CPC CPC only CPC only
C04B 22/0066 +1 CPC CPC only CPC only
C04B 22/008 CPC only CPC only
C04B 22/0086 +2 CPC CPC only CPC only
C04B 22/0093 CPC only CPC only
C04B 22/02 Elements since 1985 IPC+CPC Available in IPC and CPC
C04B 22/06 Oxides, Hydroxides (C04B22/0013 takes precedence) since 1985 +3 CPC IPC+CPC Available in IPC and CPC
C04B 22/08 Acids or salts thereof since 1985 +3 CPC IPC+CPC Available in IPC and CPC