C CHEMISTRY; METALLURGY
C04 CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
C04B LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
35/00 Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
C04B35/622 Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
C04B35/626 Preparing or treating the powders individually or as batches; ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
C04B35/63 using additives specially adapted for forming the products; , e.g.. binder binders
C04B35/638 Removal thereof