Invention Grant
- Patent Title: Chromia-alumina refractory
- Patent Title (中): 铬 - 氧化铝耐火材料
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Application No.: US12177249Application Date: 2008-07-22
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Publication No.: US07754633B2Publication Date: 2010-07-13
- Inventor: H. David Prior , Howard Winkelbauer , Viktor Fischer
- Applicant: H. David Prior , Howard Winkelbauer , Viktor Fischer
- Applicant Address: US PA Moon Township
- Assignee: Harbison-Walker Reeractories Company
- Current Assignee: Harbison-Walker Reeractories Company
- Current Assignee Address: US PA Moon Township
- Agency: Kusner & Jaffe
- Main IPC: C04B35/00
- IPC: C04B35/00

Abstract:
A refractory composition comprising at least 50 weight percent chromic oxide (Cr2O3), as measured by chemical analysis. The composition includes fused chromia-containing grain, powdered chromic oxide and sintered chromia-containing grain. The fused chromia-containing grain and the sintered chromia-containing grain comprise at least 50 weight percent chromia oxide, as measured by chemical analysis.
Public/Granted literature
- US20100019419A1 CHROMIA-ALUMINA REFRACTORY Public/Granted day:2010-01-28
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