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Title:
HIGH TEMPERATURE OLEOPHOBIC MATERIALS
Document Type and Number:
WIPO Patent Application WO2004015409
Kind Code:
B1
Abstract:
The application is directed to a gas permeable, oleophobic vent comprising a porous substrate and a coating composition. The coating composition preferably comprises a copolymer of tetrafluoroethylene (TFE) and perfluromethylvinylether (PMVE). Because the vent resists penetration to water and maintains its oleophobicity even when exposed to high temperatures (>=300C) over long periods of time, it finds particular application as an automotive gas sensor vent (10).

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Inventors:
AGARWAL VIVEK
DE GUISEPPI DAVID T
DUTTA ANIT
Application Number:
PCT/US2003/021867
Publication Date:
April 08, 2004
Filing Date:
July 11, 2003
Export Citation:
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Assignee:
GORE ENTERPRISE HOLDINGS INC (US)
International Classes:
C08J9/42; G01N27/40; G01N27/409; G01N27/407; (IPC1-7): G01N27/40; C08F214/26
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