DIFF Subgroup
C04B 22/08 Acids or salts thereof
Introduced: January 1985
Full Title
Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators > Acids or salts thereof
Of 7 combined children, 4 exist in both systems.
3 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 22/10 containing carbon in the anion, e.g. carbonates since 1985 +2 CPC IPC+CPC Available in IPC and CPC
- C04B 22/14 containing sulfur in the anion, e.g. sulfides since 1985 +2 CPC IPC+CPC Available in IPC and CPC
- C04B 22/16 containing phosphorus in the anion, e.g. phosphates since 1985 +1 CPC IPC+CPC Available in IPC and CPC