Anti-microbial fiber and fibrous products
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United States of America Patent
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Sep 20, 2005
Grant Date -
Oct 21, 2004
app pub date -
Jan 30, 2004
filing date -
May 27, 1999
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Anti-microbial and/or anti-fungal footwear components formed from various thermoplastic polymers and additives in fibers in a mono-component form or a bi-component form in either a core-sheath or side-by-side configurations. The anti-microbial synthetic fibers include inorganic anti-microbial additives, distributed in certain areas to reduce the amount of the anti-microbial agents being used, and therefore the cost of such fibers. In certain embodiments, high tenacity polymers (e.g. PET) are employed in one portion and hydrolysis resistance polymers (e.g. PCT) in another portion with the additives. The fibers can further be blended with non-anti-microbial fibers such as cotton, wool, polyester, acrylic, nylon etc. to provide anti-microbial finished fabrics. In one embodiment, binder fibers are used which are mixed with other fibers.
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