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Publication of BE580716ApublicationCriticalpatent/BE580716A/xx
C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
C21D1/62—Quenching devices
C21D1/63—Quenching devices for bath quenching
C21D1/64—Quenching devices for bath quenching with circulating liquids
C—CHEMISTRY; METALLURGY
C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
C09B1/00—Dyes with anthracene nucleus not condensed with any other ring
C09B1/16—Amino-anthraquinones
C09B1/20—Preparation from starting materials already containing the anthracene nucleus
C09B1/36—Dyes with acylated amino groups
C09B1/40—Dyes with acylated amino groups the acyl groups being residues of an aliphatic or araliphatic carboxylic acid
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Organic Low-Molecular-Weight Compounds And Preparation Thereof
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