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Priority to NL6502435ApriorityCriticalpatent/NL6502435A/xx
Publication of NL6502435ApublicationCriticalpatent/NL6502435A/xx
C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
C04B41/53—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone involving the removal of at least part of the materials of the treated article, e.g. etching, drying of hardened concrete
C04B41/5315—Cleaning compositions, e.g. for removing hardened cement from ceramic tiles