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. 03, 1990
Filed:
Sep. 06, 1988
Applicant:
Inventors:
Dale B Hoggard, Pittsburgh, PA (US);
Han K Park, Pittsburgh, PA (US);
Fiona C Morrison, Northumberland, GB;
Assignee:
Vesuvius Crucible Company, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C21B / ; C04B / ;
U.S. Cl.
CPC ...
266280 ; 501 97 ; 501 98 ; 501 99 ; 501100 ; 501103 ; 501105 ;
Abstract
A refractory liner composition which consists essentially of carbon and a composite selected from the group consisting of zirconia and O'-sialon and zirconia and silicon oxynitride.