Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Acme Resin Corp
Original Assignee
Acme Resin Corp
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Publication date
Application filed by Acme Resin CorpfiledCriticalAcme Resin Corp
Application grantedgrantedCritical
Publication of CA1191292ApublicationCriticalpatent/CA1191292A/fr
Core or foundry sand coated and/or mixed with water glass with a water content in the range of ≧ approximately 0.25% by weight to approximately 0.9% by weight