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. 16, 1985
Filed:
Dec. 16, 1982
Applicant:
Inventors:
Frankie E Phelps, Lower Burrell, PA (US);
Paul J Boget, Murrysville, PA (US);
Robert L Troup, Murrysville, PA (US);
Assignee:
Aluminum Company of America, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04F / ;
U.S. Cl.
CPC ...
501 98 ; 501 97 ; 501 10 ; 423327 ; 264122 ;
Abstract
A process for producing a refractory material comprising essentially beta'-SiAlON wherein initial reactants comprising Al.sub.2 O.sub.3 and SiO.sub.2 are nitrided for sufficient times and temperatures to convert at least a portion of the initial reactants to at least a portion of effective reactants and the effective reactants are then further heated to produce an essentially beta'-SiAlON refractory material.