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. 07, 1996
Filed:
Nov. 01, 1994
Applicant:
Inventors:
Philippe Boire, Paris, FR;
Pierre Balian, Paris, FR;
Assignee:
Saint-Gobain Vitrage, Courbevoie, FR;
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428216 ; 359359 ; 359580 ; 359586 ; 359589 ; 428432 ; 428698 ; 428701 ; 428702 ; 428913 ;
Abstract
The invention relates to a transparent substrate (1), more particularly of glass, surmounted by a metal nitride layer (3) for filtering solar radiation, characterized in that with a view to protecting said metal nitride layer particularly against high temperature oxidation, said layer (3) is surmounted by a pyrolyzed, metal oxide layer (4), whose metal has an oxide formation standard free enthalpy value .DELTA.G.degree. equal to or below .DELTA.G.degree. of the metal of the nitride layer (3) at a given temperature.