Methods and compositions related to laser sensitive pigments for laser marking of plastics
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United States of America Patent
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Mar 16, 2004
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N/A
app pub date -
Feb 18, 2000
filing date -
Feb 18, 2000
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Expired
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Abstract
Platelet-shaped substrates that are coated with metal oxides and that are useful in the laser marking of plastics are disclosed. The platelet-shaped substrates may be employed as an additive to plastic for laser marking of a wide variety of plastics and for use with a number of different laser types.
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