A porous formed article which comprises an organic polymer resin and an inorganic ion absorbing material, and has communicating pores opening at an outer surface, wherein it has cavities in the interior of a fibril forming a communicating pore, at least a part of said cavities opens at the surface of...http://www.google.es/patents/US20070128424?utm_source=gb-gplus-sharePatente US20070128424 - Porous formed article and method for production thereof
Porous formed article and method for production thereof