Colored thermoplastic resin compositions for laser welding,...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...

Reexamination Certificate

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C524S090000, C524S190000, C524S195000, C106S494000, C106S496000, C106S498000

Reexamination Certificate

active

07485675

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.

REFERENCES:
patent: 4755012 (1988-07-01), Kojima
patent: 5893959 (1999-04-01), Muellich
patent: 5968688 (1999-10-01), Masuda
patent: 5973038 (1999-10-01), Weaver
patent: 6759458 (2004-07-01), Reil
patent: 2002/0002225 (2002-01-01), Rell
patent: 2005/0009558 (2005-01-01), Kashima

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