Patent ID: 8735306

Claim:
An article comprising: a fluoropolymer-treated laminate that comprises a microporous membrane; a first porous fabric laminated to a first side of the microporous membrane; a second porous fabric laminated to a second opposite side of the microporous membrane to form a laminate with the membrane and the first porous fabric, the laminate having two fabric sides separated by the microporous membrane; and a treatment material comprising a fluoropolymer dissolved in an inorganic solvent, wherein the treatment material is applied to the laminate to form the fluoropolymer-treated laminate, the fluoropolymer-treated laminate having an oil resistance of at least a number 7 determined by AATCC 118 testing on both fabric sides and having an air permeability through the treated laminate of at least 0.01 CFM per square foot determined by ASTM D737 testing.