Patent · US Expired

Non-pilling polyester fibres

US7189794B2 · kind B2 · utility

4Cited by

3References

14Claims

0Family size

Assignee

Trevira GmbH · DE

Inventors

Andreas Maurer · Zürich, CH
Markus Höhenberger · Augsburg, DE
Roland Schreiner · Orlamünde, DE

Key dates

Filing date	Jun 20, 2002
Grant date	Mar 13, 2007
Priority date	—
Expiry date	Jun 20, 2022

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G63/6956
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The invention relates to a method for producing non-pilling polyester fibres, whereby polyethylene terephthalate is produced in the presence of organosilicon compounds of tetrahydrofurfuryl alcohol. Preferably, tetrakistetrahydrofurfuryloxysilane or tris[tetrahydrofuryloxy]methylsilane is used.

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