Invention Grant
- Patent Title: Molding material mixtures containing barium sulfate
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Application No.: US14405698Application Date: 2013-06-06
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Publication No.: US09931690B2Publication Date: 2018-04-03
- Inventor: Heinz Deters , Jörg Körschgen , Martin Oberleiter
- Applicant: ASK Chemicals GmbH
- Applicant Address: DE Hilden
- Assignee: ASK CHEMICALS GMBH
- Current Assignee: ASK CHEMICALS GMBH
- Current Assignee Address: DE Hilden
- Agency: Standley Law Group LLP
- Priority: DE102012104934 20120606
- International Application: PCT/DE2013/000309 WO 20130606
- International Announcement: WO2013/182186 WO 20131212
- Main IPC: B22C1/18
- IPC: B22C1/18 ; B22C9/02 ; B22C9/12 ; C04B35/14
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.
Public/Granted literature
- US20150174644A1 MOLDING MATERIAL MIXTURES CONTAINING BARIUM SULFATE Public/Granted day:2015-06-25
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