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:
Apr. 21, 2020
Filed:
Nov. 29, 2016
Giesecke+devrient Currency Technology Gmbh, München, DE;
Björn Teufel, Weissach, DE;
GIESECKE+DEVRIENT CURRENCY TECHNOLOGY GMBH, Munich, DE;
Abstract
A semi-transparent security element which upon viewing in incident light and in transmitted light has different colors, comprises either (a) a transparent carrier substrate having a front side and a back side. The front side has a metallic layer 'V-a' dyed in a first color, obtainable by printing technology by means of dyed metal pigments. The back side has an ink layer appearing in a second color 'R-a' and a metallic layer “R-b” dyed in a first color, obtainable by printing technology by means of dyed metal pigments; or (b) a transparent carrier substrate having a front side and a back side. The front side has a semi-transparent metallic layer “V-A” and an ink layer appearing in a first color “V-B” and the back side has an ink layer “R-A” appearing in a second color, a semi-transparent metallic layer “R-B” and an ink layer “R-C” appearing in a first color.