34f08f34_rials_patent_application_class__Description
20100319874 12-23-2010 [Description] 
BIO-BASED BINDER SYSTEM - A bio-based binder system for use in preparing foundry molds. In a preferred embodiment, the system includes the use of a) a polyermizable hydroxyl-containing component comprising a saccharide, b) an isocyanate component, and c) a catalyst, and preferably amine catalyst, component adapted to catalyze the polymerization of a) and b), in the presence of a foundry aggregate such as sand. The system can be used in any suitable manner, including in either a cold box process or no bake process as described herein.
Utilizing particular mold materials patent application class