Partially fluorinated compositions and surface active agents

Fabric (woven – knitted – or nonwoven textile or cloth – etc.) – Coated or impregnated woven – knit – or nonwoven fabric which... – Coating or impregnation is oil repellent but not oil or...

Reexamination Certificate

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C442S085000, C442S086000, C442S094000, C442S082000, C524S544000

Reexamination Certificate

active

07842626

ABSTRACT:
Partially fluorinated amino acid derivatives are provided that are useful as organogelators and surface treatment materials to provide oil- and water- repellency properties to substrates. Also provided are composite materials comprising a porous support and a porous nanoweb. The porous nanoweb contains fibrous structures of about 10 nm to about 1000 nm effective average fiber diameter.

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