MULTI-LAYER FILTER MATERIAL AND FILTER ELEMENT PRODUCED THEREFROM

Title:

MULTI-LAYER FILTER MATERIAL AND FILTER ELEMENT PRODUCED THEREFROM

Document Type and Number:

WIPO Patent Application WO/2013/029697

Kind Code:

A8

Abstract:

The invention relates to a multi-layer cleanable filter material for gas and liquid filtration, said filter material comprising a filter layer and a substrate layer that follows the filter layer in the flow direction, wherein the filter layer is substantially dendrite-free and consists of a melt-blown fleece made of elastic polymer fibres that has a breaking elongation of at least 100%.

Inventors:

DEMMEL ANDREAS (DE)
KLAUSNITZER BERND (DE)
MEYR INGRID (DE)

Application Number:

PCT/EP2012/000587

Publication Date:

January 23, 2014

Filing Date:

February 09, 2012

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Assignee:

NEENAH GESSNER GMBH (DE)
DEMMEL ANDREAS (DE)
KLAUSNITZER BERND (DE)
MEYR INGRID (DE)

International Classes:

B01D39/16

Attorney, Agent or Firm:

BAUER, Friedrich et al. (Rosenheim, DE)

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