Marked thermoplastic compositions, methods of making and articles comprising the same, and uses thereof

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United States of America Patent

PATENT NO 9662833
SERIAL NO

13909378

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Abstract

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An article for laser marking can comprising: a thermoplastic composition comprising a thermoplastic polymer, an active component comprising at least one of a polymeric unit and an additive, wherein the thermoplastic polymer has a visible transmission of greater than or equal to 80% according to ASTM D1003-00, Procedure A, using D65 illumination, 10 degrees observer, and thickness of 1 mm; and a mark produced by chemical rearrangement of the active component generated by a laser of a first wavelength; wherein the mark exhibits at least one of: (i) a change in optical properties in the region 400 nm to 700 nm when exposed to light having a wavelength less than or equal to 500 nm; and (ii) a change in optical properties in the region of 400 nm to 700 nm when exposed to light having a wavelength greater than or equal to the first wavelength.

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Patent Owner(s)

Patent OwnerAddress
SHPP GLOBAL TECHNOLOGIES B V4612 PX BERGEN OP ZOOM

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Farrell, Tony Bergen op Zoom, NL 41 141
van, der Scheer Robin Alphonsus Adriana Bergen op Zoom, NL 3 22
van, Peer Cornelis Johannes Gerardus Maria Bergen op Zoom, NL 13 49

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