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:
Oct. 09, 2018
Filed:
Apr. 20, 2015
Applicant:
Ask Chemicals Gmbh, Hilden, DE;
Inventors:
Dennis Bartels, Dorsten, DE;
Heinz Deters, Düsseldorf, DE;
Antoni Gieniec, Hilden, DE;
Diether Koch, Mettmann, DE;
Hannes Lincke, Köln, DE;
Martin Oberleiter, Düsseldorf, DE;
Oliver Schmidt, Langenfeld, DE;
Carolin Wallenhorst, Düsseldorf, DE;
Assignee:
ASK CHEMICALS GMBH, Hilden, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22C 1/18 (2006.01); B22C 9/02 (2006.01);
U.S. Cl.
CPC ...
B22C 1/18 (2013.01); B22C 1/181 (2013.01); B22C 1/186 (2013.01); B22C 9/02 (2013.01);
Abstract
The invention relates to mold material mixtures on the basis of inorganic binders, for producing molds and cores for metal casting. Said mixtures consist of at least one refractory mold base material, an inorganic binder and amorphous silicon dioxide as an additive. The invention also relates to a method for producing molds and cores using said mold material mixtures.