Filter for gaseous media

US6527834B1 · kind B1 · utility

Assignee

• Firma Carl Freudenberg · DE

Inventors

• Kurt Jorder · Weinheim, DE
• Klaus Veeser · Weinheim, DE
• Mathias Pudleiner · Weinheim, DE
• Dirk Dantz · Königslutter am Elm, DE

Key dates

• Filing date: Nov 12, 1999
• Grant date: Mar 4, 2003
• Expiry date: Nov 12, 2019

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S55/05
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A filter made of nonwoven fabric, paper or the like for gaseous media, having an electrically conductive coating made of a conductive substance of pulverizable materials, in particular from electrically conductive carbon-black particles and/or powdery metal particles or other pulverized materials, the carbon-black particles or metal particles being fixed to the filter fibers with the aid of binding agents, and the conductive coating being applied in a reticulated manner on the filtering layer.