Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B22
CASTING; POWDER METALLURGY
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B22C
FOUNDRY MOULDING
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1/00
Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
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B22C1/16
characterised by the use of binding agents; Mixtures of binding agents
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B22C1/2233
obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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B22C1/2273
Polyurethanes; Polyisocyanates
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B22C1/2273

WASH COMPOSITION FOR REDUCING FORMALDEHYDE EMISSIONS
20250214131 · 2025-07-03 · ·

What is described is the use of a composition containing one or more formaldehyde scavengers for production of a coating on a main body of a mold or core for metal casting that emits formaldehyde when heated, wherein the coating forms a surface of the mold or core that comes into contact with a metal melt in the casting operation.