Thermoplastic resin composition having laser marking ability
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United States of America Patent
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Feb 22, 2000
Issued Date -
N/A
app pub date -
Dec 21, 1998
filing date -
Jul 12, 1995
priority date (Note) -
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Abstract
A thermoplastic resin composition having laser marking ability, which comprises a thermoplastic resin and at least two kinds of metal oxides, the content of total metal oxides being 0.001 to 10 parts by weight per 100 parts by weight of said thermoplastic resin; and a keyboard having keys composed of the above composition.
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