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. 20, 2012
Filed:
Dec. 06, 2007
Applicants:
Caroline Louchet-pouillerie, Arsac, FR;
Henri Tawil, Le Bouscat, FR;
Eric Bouillon, Talence, FR;
Inventors:
Assignee:
Snecma Propulsion Solide, Le Haillan, FR;
Primary Examiner:
Int. Cl.
CPC ...
B32B 17/10 (2006.01); B32B 9/04 (2006.01); B32B 13/04 (2006.01); B32B 9/00 (2006.01); B32B 19/00 (2006.01); C23C 16/00 (2006.01); C23C 8/00 (2006.01); C23C 8/54 (2006.01); B05D 1/36 (2006.01); B05D 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An environmental barrier for a substrate of ceramic matrix composite material containing silicon, in particular containing SiC, is formed by an anticorrosion protection layer containing an aluminosilicate type compound of an alkali or alkaline-earth or rare earth element, e.g. BSAS, with a chemical barrier forming layer of aluminum nitride being interposed between the substrate and the anticorrosion protection layer.