Patent ID: 7732060
Filing Date: 2010-06-08
Classification: B32B,Y10S

Abstract:
1. A gaseous component treatment sheet comprising a gas-permeable base film and a particulate remover for removing a predetermined gaseous component, the particulate remover being dispersed in the base film, and comprising an adhesive layer, and the adhesive layer is arranged as an outermost layer, wherein the base film is a stretched porous film comprising polytetrafluoroethylene, wherein the average pore diameter of the base film is from about 0.01 microns to about 100 microns, wherein the gaseous component treatment sheet further comprises a gas-permeable protective layer, and the protective layer is laminated on the base film, and wherein the protective layer (i) does not contain particulate remover, and (ii) holds the particulate remover within the base film.