Thin aluminium flakes

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United States of America Patent

PATENT NO 9856385
SERIAL NO

14515683

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Abstract

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The present invention relates to aluminum flakes having a thickness between 7 and 9 nm, coating compositions containing them and the use of the coating compositions for forming (security) products. When the compositions of the present invention are used in coating a hologram the obtained products show an extremely bright OVD image and extremely strong rainbow effect, high purity and contrast.

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Patent Owner(s)

Patent OwnerAddress
BASF SECARL-BOSCH-STRASSE 38 LUDWIGSHAFEN AM RHEIN 67056

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Folly, Gregoire Muttenz, CH 2 0
Milde, Michael Grenzach-Wyhlen, DE 4 8
Ormerod, Geoff Ian Darwen, GB 2 7
Richert, Michelle Illzach, FR 27 110

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