Coating compositions for security elements and holograms

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10125278
APP PUB NO 20180002551A1
SERIAL NO

15650132

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Abstract

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The present invention relates to the use of coating compositions, comprising shaped transition metal, especially silver, particles and a binder, wherein the ratio of pigment to binder is preferably such that the resulting coating shows an angle dependent color change, for the production of security elements and holograms. When the coating compositions of the present invention are used in coating a hologram the obtained products show a an angle dependent color change (flip/flop effect), different colors in reflection and transmission, an extremely bright OVD image and extremely strong rainbow effect, high purity and contrast.

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Patent Owner(s)

  • BASF SE

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Grigorenko, Nikolay A Basel, CH 19 61
Richert, Michelle Illzach, FR 27 94

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