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. 05, 1996
Filed:
Dec. 02, 1992
Applicant:
Inventors:
Assignee:
Sumitomo Chemical Company, Limited, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22F / ;
U.S. Cl.
CPC ...
419 19 ; 419 23 ; 419 42 ; 419 45 ;
Abstract
A method of preparing dense sintered bodies of beta alumina suitable for solid electrolytes, which comprises preparing a shaped body from a mixture containing an aluminum powder, a sodium compound, a structure stabilizer and a zirconia powder or from a mixture containing an aluminum powder, an alumina powder, a sodium compound, a structure stabilizer and a zirconia powder, and reaction-sintering the shaped body.