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. 16, 2009
Filed:
Jul. 05, 2004
Xianghua Zhang, Cesson-Sevigne, FR;
Jacques Lucas, Betton, FR;
Hongli MA, Cesson-Sevigne, FR;
Jean-luc Adam, Rennes, FR;
Xianghua Zhang, Cesson-Sevigne, FR;
Jacques Lucas, Betton, FR;
Hongli Ma, Cesson-Sevigne, FR;
Jean-Luc Adam, Rennes, FR;
Centre National De La Recherche Scientifique, Paris, FR;
Universite Rennes 1, Rennes, FR;
Abstract
The invention relates to vitreous compositions, in particular of the vitroceramic type, transparent to infrared, production and uses thereof. Said compositions comprise in mol. %: Ge 5-40, Ga<1, S+Se 40-85, Sb+As 4-40, MX 2-25, Ln 0-6, adjuncts 0-30, where M=at least one alkaline metal, selected from Rb, Cs, Na, K and Zn, X=at least one atom of chlorine, bromine or iodine, Ln=at least one rare earth and adjunct=at least one additive comprising at least one metal and/or at least one metal salt with the sum of all molar percentages of the components present in said composition being 100.