Fiber and filament with zinc sulfide delusterant
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jun 6, 2000
Grant Date -
N/A
app pub date -
Oct 22, 1999
filing date -
Oct 22, 1999
priority date (Note) -
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Abstract
A process for producing yarn, fiber or filament with substantially improved whiteness, reduced yellowness, reduced abrasiveness, reduced static and softer hand includes melt-blending a masterbatch of zinc sulfide and a polyester with a fiber-forming polyester followed by melt-spinning the blend. The invention additionally provides for polyester yarn, fiber, or filament produced by the process.
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