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:
May. 20, 2008
Filed:
Dec. 01, 2004
Brian Thomas Hazel, West Chester, OH (US);
Irene Spitsberg, Loveland, OH (US);
Christine Govern, Cincinnati, OH (US);
Bangalore A. Nagaraj, West Chester, OH (US);
Brian Thomas Hazel, West Chester, OH (US);
Irene Spitsberg, Loveland, OH (US);
Christine Govern, Cincinnati, OH (US);
Bangalore A. Nagaraj, West Chester, OH (US);
General Electric Company, Schenectady, NY (US);
Abstract
According to an embodiment of the invention, disclosed is a composite comprising a porous thermal barrier coating on a metallic part and an impermeable barrier coating adjacent to the outer surface of the thermal barrier coating. The impermeable barrier coating is dense and non-porous and comprises a rare earth silicate, the impermeable barrier coating thereby preventing infiltration of the contaminant composition into the thermal barrier coating.