Disclosed is a polyethylene glycol modified copolyester fiber that has exceptional moisture management characteristics and that can be formed into exceptionally comfortable fabrics. The copolyester fiber includes polyethylene terephthalate in an amount sufficient for the copolyester fiber to possess...http://www.google.es/patents/US6509091?utm_source=gb-gplus-sharePatente US6509091 - Polyethylene glycol modified polyester fibers
