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:
Jun. 22, 1993
Filed:
Jun. 19, 1990
Applicant:
Inventors:
Claudette Drouot, Juillan, FR;
Paul Goursat, Verneuil-sur-Vienne, FR;
Bernard Lengronne, Montsegur, FR;
Christophe Seraudie, Meyssac, FR;
Assignee:
Ceramiques et Composites, Courbevoie, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C / ; C03C / ;
U.S. Cl.
CPC ...
501 32 ; 501 69 ; 501 72 ; 501 95 ; 264 58 ; 264 60 ;
Abstract
Composite shaped articles, well adapted for aerospace applications, include a vitreous matrix and an effective amount of a reinforcing agent therefor, preferably a fibrous and ceramic reinforcing agent, such vitreous matrix being based on silica, alumina, zirconia, an alkali metal oxide and an alkaline earth metal oxide, in the following proportions by weight relative to the total weight of the matrix: