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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C04B2235/30
Constituents and secondary phases not being of a fibrous nature
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C04B2235/42
Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
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