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:
Sep. 04, 1990
Filed:
Dec. 12, 1988
Richard J Knauss, Swissvale, PA (US);
Dresser Industries, Inc., Dallas, TX (US);
Abstract
A refractory mix for forming an in situ magnesium aluminate spinel brick consisting essentially of about 65 to 95 wt. % magnesite having an MgO content of at least about 92 wt. % and, correspondingly, about 35 to 1 wt. % calcined bauxite having an alumina content of at least about 83 wt. % and a silica content of no more than about 7 wt. %, the total silica content of the mix being no more than about 4 wt. % and a magnesium aluminate spinel refractory shape prepared by pressing and firing the above refractory mixture. The invention also comprises the process of forming the refractory.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile