Colored polymeric articles having high melt temperatures
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United States of America Patent
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Mar 30, 2010
Grant Date -
Nov 4, 2004
app pub date -
Mar 8, 2004
filing date -
Mar 18, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to polymeric articles that are colored using an unformulated heat stable black, blue or violet dye during melt processing, for example a melt spinning process. The process eliminates the need for acid bath dyeing of high melt polymeric materials. The polymeric articles are for example polyester or polyamide.
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