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. 07, 1994
Filed:
Mar. 24, 1993
Applicant:
Inventors:
David R Sundell, Pittsburgh, PA (US);
Dwight S Whittemore, Bethel Park, PA (US);
Assignee:
Indresco Inc., Dallas, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
501100 ; 501101 ; 501109 ;
Abstract
Carbon-containing carbon bonded refractory mixes and products made therefrom in which the refractory is a magnesite or high alumina aggregate and containing a silica-free elemental boron containing B-Mg-O alloy powder containing at least 95% B-Mg-O. and shapes made therefrom. The invention also involves the method of increasing the lining life of a metallurgical vessel utilizing unburned brick made from the above-noted mixes.