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:
Mar. 22, 1988
Filed:
Sep. 26, 1986
Applicant:
Inventors:
George F Everitt, Lake Elmo, MN (US);
Terence P Johnson, Hastings, MN (US);
Lien-Huong T Pham, Saint Paul, MN (US);
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
C04B / ; C04B / ;
U.S. Cl.
CPC ...
501100 ; 501 89 ; 501 90 ; 501 95 ; 501133 ;
Abstract
A shaped article comprises a continuous alumina-silica first phase, an in-situ generated discontinuous carbon second phase, and optionally a discontinuous silicon carbide third phase, said article being stable to an oxidative atmosphere when heated to 1300.degree. C. for at least 30 minutes.