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:
Oct. 04, 1994
Filed:
Nov. 08, 1991
Frank Boulanger, Ville d'Avray, FR;
Francois Lerbet, Paris, FR;
Corinne Papret, Evry, FR;
Franck Perrodo, Paris, FR;
Gilles Thomas, Gif sur Yvette, FR;
Saint-Gobain Vitrage International, Courbevoie, FR;
Abstract
The invention relates to an electrochromic glazing successively comprising a glass sheet, a first electrode constituted by a transparent electroconductive layer, whose square resistance is below 5 Ohms, a layer of a cathodic electrochromic material, an electrolyte, a layer of an anodic electrochromic material and a second transparent electroconductive electrode, barrier layers being inserted between the said electrodes and the said electrochromic material layers, the square resistance of the assembly formed by an electrode and its barrier layer being below 5 Ohms.