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:
Jun. 01, 1993
Filed:
Jun. 22, 1992
Applicant:
Inventors:
Jack A Kuszyk, Newark, DE (US);
Christopher R Kennedy, Newark, DE (US);
Assignee:
Lanxide Technology Company, LP, Newark, DE (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B22D / ;
U.S. Cl.
CPC ...
222591 ; 222600 ; 501127 ;
Abstract
A refractory component for use in contact with molten metal comprising a ceramic matrix which is three-dimensionally interconnected, said matrix comprising an oxidation reaction product of aluminum parent metal, said ceramic matrix containing less than about 0.5% by weight residual parent metal, said ceramic matrix embedding at least one filler material, thereby forming a ceramic composite body, said ceramic composite body having a porosity which is interconnected, said interconnected porosity comprising openings having a mean diameter of less than about 6 microns.