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:
Dec. 12, 2023
Filed:
Dec. 07, 2018
Applicant:
Imerys Usa, Inc., Roswell, GA (US);
Inventor:
Victor S. Lafay, Cincinnati, OH (US);
Assignee:
IMERYS USA, INC., Roswell, GA (US);
Primary Examiner:
Int. Cl.
CPC ...
C08K 3/36 (2006.01); B22C 1/16 (2006.01); B22C 1/22 (2006.01); B22C 1/26 (2006.01); C08G 18/08 (2006.01); C08G 18/64 (2006.01); C08G 18/76 (2006.01);
U.S. Cl.
CPC ...
B22C 1/167 (2013.01); B22C 1/2273 (2013.01); B22C 1/26 (2013.01); C08G 18/08 (2013.01); C08G 18/6492 (2013.01); C08G 18/7671 (2013.01); C08K 3/36 (2013.01);
Abstract
The present disclosure includes binder systems for making foundry articles. The binder systems may comprise a humic substance-containing component that comprise lignite, an isocyanate component, and a catalyst component. The binder systems may be mixed with an aggregate (e.g., sand) for making foundry articles such as molds and cores. Also disclosed herein are methods of making foundry articles using the binder systems.