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Alkaline phenolic resole resin binders
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Process to increase the tension resistance of an article formed from an alkaline and sand phenolic resin binder; composition understanding granular sand or used foundation sand; mixture of casting sands suitable to be used in forming an agglutinated form; process to prepare an agglutinated form; process to prepare a foundry form; process and binding system to produce casting molds and males
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Process for removing flow-restricting materials from wells
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Resin binders for foundry sand cores and molds
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Binder compositions containing phenolic resins and esters of alkoxy acids
