Patent classifications
C
CHEMISTRY; METALLURGY
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C04
CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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C04B
LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
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2235/00
Aspects relating to ceramic starting mixtures or sintered ceramic products
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C04B2235/02
Composition of constituents of the starting material or of secondary phases of the final product
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C04B2235/50
Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
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C04B2235/52
Constituents or additives characterised by their shapes
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C04B2235/5232
Silica or silicates other than aluminosilicates, e.g. quartz
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