DIFF Subgroup
C04B 11/02 dehydrating gypsum
Introduced: September 1968
Title
Titles differ between systems:
IPC: Dehydrating gypsum
CPC: dehydrating gypsum
Full Title
Full titles differ between systems:
IPC:
Calcium sulfate cements > Dehydrating gypsum
CPC:
Calcium sulfate cements > dehydrating gypsum
Of 3 combined children, 2 exist in both systems.
1 codes are CPC-only extensions.
IPC defines codes here since 1985.
Child Classifications
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- C04B 11/024 Ingredients added before, or during, the calcining process, e.g. calcination modifiers since 1985 IPC+CPC Available in IPC and CPC