Laser-markable polymer moulding compositions
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United States of America Patent
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Nov 24, 1998
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N/A
app pub date -
May 15, 1997
filing date -
May 24, 1996
priority date (Note) -
Expired
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Abstract
Laser-markable thermoplastic moulding compositions are disclosed which contain thermoplastic polymers, boric anhydride, and optionally, fillers and reinforcing materials, flame retardant additives, elastomer modifiers, antimony trioxide, and copper(II) pyrophosphate hydrate.
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