Triboelectric charging of wovens and knitted fabrics

US7004995B2 · kind B2 · utility

Assignee

• tesa AG · DE

Inventors

• Andreas Schroder · Oettingen, DE
• Claus Grobe · Hamburg, DE
• Jens Kranz · Hamburg, DE
• Dieter Wenninger · Hamburg, DE

Key dates

• Filing date: Oct 23, 2001
• Grant date: Feb 28, 2006
• Expiry date: Mar 30, 2022

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S55/45
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A method for the utilization of a woven or loop-formingly knitted fabric which acquires an electrostatic charge as a result of a specific treatment for filtering airborne, dusty allergens such as pollen in a pollen guard mountable in front of windows and doors over the whole area thereof.