The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 06, 2019
Filed:
Jun. 30, 2016
University of Northern Iowa Research Foundation, Cedar Falls, IA (US);
Gerard R. Thiel, Dysart, IA (US);
Shoshanna R. Coon, Shell Rock, IA (US);
Mitchell Patterson, Cedar Falls, IA (US);
Andrew Simonson, De Witt, IA (US);
Ian Williams, Cedar Rapids, IA (US);
Ryan Jones, Grundy Center, IA (US);
University of Northern Iowa Research Foundation, Cedar Falls, IA (US);
Abstract
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.