IPC Subgroup
C04B 33/13 Compounding ingredients
Introduced: July 1974
Last revised: January 2006
Full Title
Clay-wares > Preparing or treating the raw materials individually or as batches > Compounding ingredients
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- Subclass:
- LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
4 direct subcodes
Child Classifications
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- C04B 33/132 Waste materials; Refuse
- C04B 33/14 Colouring matters
- C04B 33/16 Lean materials, e.g. grog, quartz
- C04B 33/18 for liquefying the batches