Colored thermoplastic resin compositions for laser welding, specific neutral anthraquinone dyes as colorants therefor, and molded product therefrom
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United States of America Patent
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Feb 3, 2009
Grant Date -
Oct 13, 2005
app pub date -
May 23, 2005
filing date -
Nov 13, 2000
priority date (Note) -
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Abstract
Thermoplastic resin compositions suitable for laser welding are disclosed, which include a mixture of neutral anthraquinone dyes and at least one other red dye to absorb and transmit select regions of visible light and to enhance weldability.
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