Patent · US Expired

Medical bandaging material

US6448462B2 · kind B2 · utility

61Cited by

7References

17Claims

0Family size

Assignee

Firma Carl Freudenberg · DE

Inventors

Dieter Groitzsch · Hirschberg, DE
Gerhard Schaut · Radebeul, DE

Key dates

Filing date	Jan 26, 2001
Grant date	Sep 10, 2002
Priority date	—
Expiry date	Jan 26, 2021

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61L2300/416
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A medical bandaging material made of a microfilament nonwoven fabric with a mass per unit area of 30 to 150 g/m2 and a tear strength of >40 N/5 cm, the nonwoven fabric being made of continuous multicomponent filaments, melt-spun, stretched, and directly laid down to form a nonwoven fabric, having a titer of 1.5 to 5 dtex, and the continuous multicomponent filaments, after optional prebonding, being split, at least to the extent of 80%, into continuous microfilaments having a titer of 0.01 to 1.0 dtex and bonded.

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