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:
Apr. 03, 2018
Filed:
Jun. 06, 2013
Applicant:
Ask Chemicals Gmbh, Hilden, DE;
Inventors:
Assignee:
ASK CHEMICALS GMBH, Hilden, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22C 1/18 (2006.01); B22C 9/02 (2006.01); B22C 9/12 (2006.01); C04B 35/14 (2006.01);
U.S. Cl.
CPC ...
B22C 1/181 (2013.01); B22C 1/188 (2013.01); B22C 9/02 (2013.01); B22C 9/12 (2013.01); C04B 35/14 (2013.01); C04B 2235/3418 (2013.01); C04B 2235/3427 (2013.01); C04B 2235/48 (2013.01);
Abstract
The invention relates to molding material mixtures containing barium sulfate in combination with refractory basic molding materials and a waterglass-based binder system for producing casting molds and cores for the foundry industry in order to obtain cast pieces, in particular aluminum ones, which have an improved cast surface.