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:
May. 15, 2018
Filed:
Jun. 17, 2014
Applicant:
Ask Chemicals Gmbh, Hilden, DE;
Inventors:
Assignee:
ASK CHEMICALS GMBH, Hilden, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22C 1/02 (2006.01); B22C 1/18 (2006.01); B22C 9/12 (2006.01);
U.S. Cl.
CPC ...
B22C 1/02 (2013.01); B22C 1/183 (2013.01); B22C 1/188 (2013.01); B22C 9/123 (2013.01);
Abstract
The invention relates to lithium-containing molding material mixtures comprising a refractory main molding material, an inorganic binder, and amorphous silicon dioxide as an additive in the production of molds and cores for metal casting. The invention further relates to a method for producing molds and cores using the molding material mixtures and to molds and cores produced according to the method.