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. 04, 1982
Filed:
Jun. 11, 1980
Applicant:
Inventor:
Rolf Groth, Bochum-Wattenscheid, DE;
Assignee:
BFG Glassgroup, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
350258 ; 52789 ; 52171 ; 350-17 ; 350166 ; 428623 ; 428630 ; 428632 ; 428661 ; 428666 ; 428672 ; 428678 ; 428926 ;
Abstract
A heat-reflecting panel having a neutral-color outer appearance has a transparent film support, such as a glass pane, an interference film having a refractive index >2 disposed on the support, a heat reflecting gold film of a thickness of 70-105 A disposed on the side of the interference film remote from the support, and neutralization film formed from chromium, iron, nickel, titanium or alloys thereof, or an alloy of chromium, aluminium and iron, the neutralization film disposed on the side of the gold film remote from the interference film.