Patent · US Active

Melt spun multifilaments based on thermoplastic polyurethane, their production and use

US11346021B2 · kind B2 · utility

0Cited by

4References

2Claims

0Family size

Assignee

Covestro Deutschland AG · DE

Inventors

Christian Wamprecht · Neuss, DE
Jochen Norwig · Leverkusen, DE
Christoph Gürtler · Cologne, DE
Pavan Kumar Manvi · Aachen, DE
Gunnar Seide · Aachen, DE
Thomas Gries · Aachen, DE

Key dates

Filing date	Sep 8, 2017
Grant date	May 31, 2022
Priority date	—
Expiry date	Nov 15, 2038

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD10B2509/02
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The invention relates to melt spun multifilaments based on thermoplastic polyurethane, their production and the use of said melt spun multifilaments to produce technical textiles and clothing such as socks, stockings, compression textiles like medical bandage, surgical hose, orthopedic elastic bandage, sport textiles, underwear etc.

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