Patent · US Expired

Method to produce improved polymeric yarn

US7043804B1 · kind B1 · utility

1Cited by
9References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 27, 1997
Grant dateMay 16, 2006
Priority date
Expiry dateMay 27, 2017

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD02J1/224
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A process to produce a fully oriented polyester yarn from a POY polyester yarn by drawing the POY yarn at a high draw ratio in the range of 1.8–2.3.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.