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US 4,393,152 AGranted
Oxidatively coupled cold-set binders
AssigneeInternational Minerals & Chemicals Corp.
InventorsCharles E. Seeney, John F. Kraemer, Nancy C. Varnum
Life of this patent
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Abstract
A foundry composition adaptable to forming cores and molds comprising a foundry aggregate, a binder therefor, a catalyst and an amine, the binder being a substituted phenol.
Claims16
A foundry composition adaptable to forming cores and molds comprising a foundry aggregate, a binder therefor polymerizable by contact with oxygen, an amine and a metal salt catalyst, the binder being a disubstituted phenol represented by the formula ##STR2## where R.sup.1 and R.sup.2 can be lower alkyl, methoxy, halide or phenyl.
Dependencies are inferred from the claim text.