Protective laminates are provided that include (a) a layer that is breathable and highly impermeable to chemicals to a degree that is subject to reduction upon flexing of the highly impermeable layer alone; and (b) a breathable non-textile layer attached to the highly impermeable layer, the non-textile...http://www.google.es/patents/US7553779?utm_source=gb-gplus-sharePatente US7553779 - Protective laminates
