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. 23, 2001
Filed:
Dec. 11, 1998
Heinz Schicht, Bethau, DE;
Uwe Schmidt, Falkenberg/Elster, DE;
Wilfried Kaiser, Torgau, DE;
Bodo Hryniw, Torgau, DE;
Saint-Gobain Vitrage, Courbevoie, FR;
Abstract
A thin multilayer coating having reflection properties in the infrared and/or in the solar radiation range of the low-emissivity type for windows comprises a lower dielectric antireflection treatment layer, at least one silver-based functional layer, at least one metallic protection layer adjacent to the silver layer and an upper dielectric antireflection treatment layer. The upper dielectric antireflection treatment layer comprises a lower partial layer made of SnO,, ZnO, TiO,, Bi,O,or Al,O,and an upper partial layer made of a mixed oxide based on zinc and aluminium, especially one having a spinel structure of the ZnAl,O,type.