C04B 11/262 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

C04B 11/262

Full Title

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 1 combined children, 0 exist in both systems.

1 codes are CPC-only extensions.

This code exists only in CPC.

Diff view requires codes present in both systems.

View in CPC →