FILTER ASSEMBLIES WITH ADHESIVE ATTACHMENT SYSTEMS

Title:

FILTER ASSEMBLIES WITH ADHESIVE ATTACHMENT SYSTEMS

Document Type and Number:

WIPO Patent Application WO2001078865

Kind Code:

A8

Abstract:

Filter assemblies with adhesive attachment systems are provided. In one embodiment, a filter assembly includes a porous filter member and an adhesive disposed on a reinforcement scrim adhesively attached to at least a portion of at least one major surface of the porous filter member, wherein the reinforcement scrim has discrete open areas. In an alternative embodiment, a filter assembly includes a porous filter member that includes fibrous filter media and an adhesive impregnated into discrete regions of the porous filter member such that there is a substantially continuous adhesive region throughout at least about 25% of the thickness of the porous filter member in the discrete regions.

Inventors:

DUFFY DEAN M
STEVENSON WILLIAM M
REED JOHN F
ANDREWS DAVID J

Application Number:

PCT/US2000/033736

Publication Date:

December 12, 2002

Filing Date:

December 13, 2000

Export Citation:

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Assignee:

3M INNOVATIVE PROPERTIES CO (US)

International Classes:

B01D39/14; B01D39/16; B01D39/20; B03C3/28; (IPC1-7): B01D39/00

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