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. 28, 1991
Filed:
Apr. 19, 1989
Applicant:
Inventors:
Zvi Elgat, Jerusalem, IL;
Joel P Warschawski, Jerusalem, IL;
Assignee:
Luz Industries Israel, Ltd., Jerusalem, IL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
428630 ; 428632 ; 428633 ; 428673 ; 428432 ; 428433 ; 428434 ; 350641 ; 350642 ;
Abstract
The invention provides a protected silvered substrate of the type comprising in combination, a substrate having a layer of substantially silver deposited thereon, a layer of aluminum oxide secured to the silver layer, and a layer of silicon dioxide secured to the layer of aluminum oxide, characterized by a layer of zinc sulfide between the layer of substantially silver and the layer of aluminum oxide to improve the adhesion of the alumina to the silver and front surface mirrors and low emissivity glass utilizing the same.