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:
Apr. 24, 1979
Filed:
Aug. 04, 1977
Applicant:
Inventors:
Geoffrey J May, Frodsham, GB;
Stephen R Tan, Runcorn, GB;
Assignee:
Chloride Silent Power Limited, London, GB;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
264 13 ; 106 734 ; 264 61 ; 264 66 ; 264346 ; 429193 ;
Abstract
A method of producing a beta-alumina ceramic article containing a doping addition of magnesium oxide or of magnesium oxide and lithium oxide, comprising the steps of wet-milling a precursor material or emulsification of an already powdered precursor material to form an aqueous slurry, spray-drying the slurry to produce a powder, forming the powder into a green shape and sintering the shape, wherein the precursor material contains at least some of the magnesium oxide in the form of magnesium aluminate.