Patent ID: 7704598
Filing Date: 2010-04-27
Classification: A62D,B32B,Y10T

Abstract:
1. A protective covering comprising: first and second oleophobic microporous films coated or treated with an oleophobic material, activated carbon impregnated through a knit textile sheet, the entire knit textile sheet coated with activated carbon, contained between the first and second oleophobic microporous films and attached to the oleophobic microporous films by discontinuous attachments, at least one first additional material, treated with a hydrophobic or oleophobic material, adjacent the first microporous film and opposite the activated carbon impregnated knit textile sheet, and at least one second additional material, treated with a hydrophobic or oleophobic material, adjacent the second microporous film and opposite the activated carbon impregnated knit textile sheet, wherein the protective covering is air permeable having a Gurley number of less than 120 seconds and has a permeation of less than 50 μg/cm 2 to 2-chloroethyl sulfide (2-CES) after contamination by diesel fuel.