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:
Nov. 30, 1999
Filed:
Jul. 25, 1997
Yvan Novis, Grand-Leez, BE;
Jean-Michel Depauw, Brussels, BE;
Glaverbel, Brussels, BE;
Abstract
A coated substrate including a substrate; a stack of coating layers provided on the substrate composed of, in the sequence recited, (i) a first layer of dielectric material which is a composite layer including a sub-layer comprising a selectively absorbent material having a refractive index of at least 1.4, a spectral absorption index k.sub..lambda. of at least 0.4 in the range 380<.lambda.<450 nm and having a ratio of k.sub.380<.lambda.<450 nm /k.sub.650<.lambda.760 nm >2, (ii) a first layer of a metal selected the group consisting of silver, gold, copper and alloys of one or more thereof, and (iii) a second layer of dielectric material.