Patent · US Expired

Ceramic material and the production thereof

US6835684B2 · kind B2 · utility

7Cited by

6References

16Claims

0Family size

Assignee

Forschungszentrum Jülich GmbH · DE

Inventors

Frank Tietz · Jülich, DE
Wolfgand Jungen · Eschweiler, DE
Frank Meschke · Emmelshausen, DE
Rajendra Nath Basu · Shadnagar, IN

Key dates

Filing date	May 27, 2003
Grant date	Dec 28, 2004
Priority date	—
Expiry date	Jun 19, 2023

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P70/50
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

A ceramic material with a sintering temperature below 1000° C. and a Perovskite Structure with the general stoichiometric composition A′1-x-yA″xB′1-a-bB″aB′″bO3 whereby A′=Y, La, Pr, Nd; A″=Mg, Ca, Sr, Ba; B′=Mn, Ti, V, Cr, Ni, Zn, Pb, Sb, W, Zr; B″=Co; B′″=Cu, Bl; O<x<=0.4; 0<=y<=0.1; 0.09<a<=0.6 and; 0.09<=b<=0.6.

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