Patent · US Active

Conductive nonwoven fabric

US7815887B2 · kind B2 · utility

5Cited by

7References

19Claims

0Family size

Assignee

Carl Freudenberg KG · DE

Inventors

Werner Schafer · Essen, DE
Kurt Jorder · Weinheim, DE
Hans Rettig · Hemsbach, DE
Karim Salama · Weinheim, DE
Achim Bock · Weinheim, DE
Silke Wagener · Echterdingen, DE
Axel Helmbold · Hofheim, DE

Key dates

Filing date	Aug 6, 2007
Grant date	Oct 19, 2010
Priority date	—
Expiry date	Dec 23, 2028

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T442/697
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

The invention relates to a conductive nonwoven fabric that is carbonized and/or graphitized and possesses a bending rigidity <8 taber, a density of 0.1 g/m3 to 0.5 g/m3, a thickness of 80 μm to 500 μm, and an electrical conductivity of 10 to 300 S/cm in the nonwoven fabric strip and 30 to 220 S/cm2 perpendicular to the nonwoven fabric strip.

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