Patent · US Active

Fired refractory shaped part

US7604857B2 · kind B2 · utility

0Cited by

3References

12Claims

0Family size

Assignee

REFRACTORY INTELLECTUAL PROPERTY GMBH & CO. KG

Inventors

Mira-Annika Muller · Spittal an der Drau, AT
Martin Wiesel · Wiesbaden, DE

Key dates

Filing date	Jun 2, 2005
Grant date	Oct 20, 2009
Priority date	—
Expiry date	Mar 15, 2027

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/24999
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

The invention relates to a fired refractory shaped part whose structure: a) consists of up to at least 75% by weight of a pre-fired refractory secondary material with a grain size of up to 3 mm, and; b) has an open pore volume ranging from 10 to 30% that, after firing, is filled, at least in part, with a carbon-containing material, whereby; c) the carbon content is >3% by weight with regard to the shaped part.

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