C04B
LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
C04B
LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
C04B38/00
Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
C04B38/00
Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
C04B38/06
by burning-out added substances; by burning natural expanding materials or by sublimating or melting out added substances
C04B38/06
by burning-out added substances; by burning natural expanding materials or by sublimating or melting out added substances
C04B38/063
Preparing or treating the raw materials individually or as batches
C04B38/063
Preparing or treating the raw materials individually or as batches
C04B38/065
characterised by physical aspects, e.g. shape, size or porosity
C04B38/065
characterised by physical aspects, e.g. shape, size or porosity