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:
Dec. 18, 2012
Filed:
Feb. 01, 2008
Vimal K. Pujari, Northboro, MA (US);
Ara Vartabedian, Hudson, MA (US);
William T. Collins, Auburn, MA (US);
David Woolley, Ayer, MA (US);
Charles Bateman, Rutland, MA (US);
Vimal K. Pujari, Northboro, MA (US);
Ara Vartabedian, Hudson, MA (US);
William T. Collins, Auburn, MA (US);
David Woolley, Ayer, MA (US);
Charles Bateman, Rutland, MA (US);
Saint-Gobain Ceramics & Plastics, Inc., Worcester, MA (US);
Abstract
The present invention relates generally to a multi-layered article suitable for service in severe environments. The article may be formed of a substrate, such as silicon carbide and/or silicon nitride. The substrate may have a first layer of a mixture of a rare earth silicate and Cordierite. The substrate may also have a second layer of a rare earth silicate or a mixture of a rare earth silicate and cordierite.