Patent · US Expired

Synthetic, refractory material for refractory products, and process for producing the product

US6887810B2 · kind B2 · utility

0Cited by

6References

20Claims

0Family size

Assignee

Refratechnik Holding GmbH · DE

Inventors

Peter Bartha · Bovenden, DE
Hans-Jurgen Klischat · Gleichen, DE
Holger Wirsing · Oettingen, DE
Guido Weibel · Dransfeld, DE

Key dates

Filing date	May 26, 2004
Grant date	May 3, 2005
Priority date	—
Expiry date	May 26, 2024

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC04B35/443
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

A material for refractory shaped bodies or compounds, the material being a pleonaste and/or a spinel of the pleonaste type. In addition to FeOx and Al2O3, the material also includes MgO. The ratio of the iron in the material is calculated as Fe2O3:Al2O3 and ranges from 30:70 to 60:40. The material contains from 20 to 60% by mass of MgO, as based on Fe2O3+Al2O3.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.