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Title:
FILTRATION FABRIC LAMINATES
Document Type and Number:
WIPO Patent Application WO1992015382
Kind Code:
A3
Abstract:
A filter composite is made of a porous polytetrafluoroethylene (PTFE) and a fabric. The PTFE and fabric are bonded by an adhesive. The adhesive is prevented from penetrating the fabric by employing a coating of an oil and water-repellent material to the surface of the fabric adjacent the adhesive.

Inventors:
SASSA ROBERT (US)
JOHNSON TODD (US)
WINKELMAYER RICHARD (US)
Application Number:
PCT/US1992/001350
Publication Date:
October 29, 1992
Filing Date:
February 20, 1992
Export Citation:
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Assignee:
GORE & ASS (US)
International Classes:
B01D39/08; B01D69/10; B01D71/36; B32B5/24; (IPC1-7): B01D/
Domestic Patent References:
WO1990006846A21990-06-28
Foreign References:
EP0391660A21990-10-10
EP0320934A21989-06-21
Other References:
Database WPI, accession no. 78-31411A [17], Derwent Publications Ltd, London, GB, & JP,A,53008747 (EIDAI K.K.) 31 March 1978, see abstract
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