Patent · US Expired

Carbonaceous refractory shaped body with improved oxidation behavior and batch composition and method for producing the same

US6846766B1 · kind B1 · utility

2Cited by

5References

43Claims

0Family size

Assignee

Refratechnik Holding GmbH · DE

Inventors

Peter Bartha · Bovenden, DE
Helge Jansen · Friedland, DE
Heinrich Grosse Daldrup · Meerbusch, DE

Key dates

Filing date	Nov 13, 2000
Grant date	Jan 25, 2005
Priority date	—
Expiry date	Apr 23, 2021

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC04B2235/422
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

A batch, in particular for the production of a refractory shaped body, includes at least one refractory metal oxide component and a synthetic resin component as a binder, and a graphitizing auxiliary for producing crystalline graphite carbon from the resin. The graphitizing auxiliary originates from a group consisting of reducible organic compounds of transition elements and/or a group of active organic or inorganic metal compounds or metals, such as resin-soluble metal salts, chemically precipitated or micronized metal oxides or metals. The graphitizing auxiliary is available in molecular form over the time and/or temperature range of conversion of the synthetic resin into carbon (carbonization).

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