Patent · US Expired

Ozone stability of dyed and undyed polyamide-containing material

US6106581A · kind A · utility

0Cited by

4References

6Claims

0Family size

Assignee

Ciba Specialty Chemicals Corporation · US

Inventors

Serge Charles Jacques Garing · Sint-Genesius-Rode, BE
Martin Jollenbeck · Müllheim, DE
Claudius Brinkmann · Lörrach, DE

Key dates

Filing date	May 27, 1999
Grant date	Aug 22, 2000
Priority date	—
Expiry date	May 27, 2019

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD06M2101/34
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

This invention relates to the use of tannin for improving the ozone fastness of dyed and undyed polyamide-containing material, which comprises applying tannin to, or incorporating it into, the polyamide-containing material.

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