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. 07, 2000
Filed:
Jul. 17, 1997
Applicant:
Inventors:
Gerard Philippe Gauthier, St. Michel/Orge, FR;
Yves Emile Ange Laurent, Thorigne Fouillard, FR;
Susanne Obradovic, Massy, FR;
Olivier Henri Sudre, Arcueil, FR;
Patrick Victor Verdier, Acigne, FR;
Assignees:
Primary Examiner:
Int. Cl.
CPC ...
C03C / ; C03C / ;
U.S. Cl.
CPC ...
501-8 ; 501 32 ; 65 337 ;
Abstract
Composite material comprising a CAS+BAS vitroceramic matrix reinforced with SiC fibers and exhibiting a small difference between the thermal expansion coefficients of the matrix and the fibers is obtained by using a matrix having a BaO/(BaO+CaO) molar ratio of between 25% and 55% and predominant phases of triclinic anorthite and monoclinic celsian.