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:
Jul. 18, 2006
Filed:
Jul. 12, 2004
Applicants:
Bernard D. Gist, Roseto, PA (US);
Joseph Michael Schmidt, Saylorsburg, PA (US);
Inventors:
Bernard D. Gist, Roseto, PA (US);
Joseph Michael Schmidt, Saylorsburg, PA (US);
Assignee:
Specialty Minerals (Michigan) Inc., Bingham Farms, MI (US);
Primary Examiner:
Int. Cl.
CPC ...
C04B 35/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A high temperature hot strength magnesia-based refractory composition having high durability at elevated temperatures wherein a sulfamic acid in combination with an independent calcia source is added to a magnesia-based refractory material. The invention also provides for a refractory gunning composition for use in the production or repair of metallurgical furnace linings.