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:
Sep. 04, 2018
Filed:
May. 14, 2015
Applicant:
U.s. Silica Company, Frederick, MD (US);
Inventor:
Dale Addison Grove, III, Hagerstown, MD (US);
Assignee:
U.S. Silica Company, Frederick, MD (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/62 (2006.01); C09K 8/80 (2006.01); B05D 3/00 (2006.01); B22C 1/02 (2006.01);
U.S. Cl.
CPC ...
C09K 8/805 (2013.01); B05D 3/002 (2013.01); B22C 1/02 (2013.01);
Abstract
A resin-coated substrate composition includes a resin-coated substrate comprising a particulate substrate coated with a polymer resin, and an additive comprising bentonite or a zeolite. A method of preparing a resin-coated substrate composition includes heating a particulate substrate, and mixing the heated substrate with a polymer resin and an additive such as bentonite or a zeolite. In some embodiments, a foundry sand composition includes the resin-coated substrate composition. In some embodiments, a proppant sand composition includes the resin-coated substrate composition.