; starting from phosphogypsum or from waste, e.g. purification products of smoke (C04B11/02 takes precedence; chemical purification of smoke, fumes or exhaust gases B01D53/00 )

Introduced: January 1985

Title

Titles differ between systems:

IPC: starting from phosphogypsum or from waste, e.g. purification products of smoke

CPC: ; starting from phosphogypsum or from waste, e.g. purification products of smoke (C04B11/02 takes precedence; chemical purification of smoke, fumes or exhaust gases B01D53/00 )

Full Title

Full titles differ between systems:

IPC:

Calcium sulfate cements > starting from phosphogypsum or from waste, e.g. purification products of smoke

CPC:

Calcium sulfate cements > ; starting from phosphogypsum or from waste, e.g. purification products of smoke (C04B11/02 takes precedence; chemical purification of smoke, fumes or exhaust gases B01D53/00 )

Of 3 combined children, 0 exist in both systems.

3 codes are CPC-only extensions.

Child Classifications

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C04B 11/262 +1 CPC CPC only CPC only
C04B 11/266 CPC only CPC only
C04B 11/268 CPC only CPC only