The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 29, 1994
Filed:
Nov. 25, 1992
Applicant:
Inventors:
Stephen Haig, Piscataway, NJ (US);
Beili L Wu, Morristown, NJ (US);
Jean Yamanis, Morristown, NJ (US);
Assignee:
AlliedSignal Inc., Morristown, NJ (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B / ; C04B / ; C01G / ;
U.S. Cl.
CPC ...
501117 ; 501126 ; 501132 ; 423352 ; 423592 ; 423595 ; 423604 ; 423606 ; 423622 ; 264 82 ; 264 83 ;
Abstract
A lanthanum chromite ceramic powder consisting essentially of 1 mol of LaCr.sub.1-x M.sub.x O.sub.3, where M is a divalent metal selected from the group of zinc, copper and mixtures thereof and x ranges from about 0.02 to 0.2, y mols of B.sub.2 O.sub.3, where y ranges from 0.0005 to 0.04, and z mols of La.sub.2 O.sub.3, where the ratio z/y ranges from 1 to 3, the powder is sintered to high density by firing a compact thereof at a temperature of about 1400.degree. C. in air or other atmosphere, and is particularly suited for use as interconnect material for solid oxide fuel cells.