An elastically stretchable nonwoven fabric comprises elastically stretchable first fibers made of a first polymer and inelastically stretchable second fibers made of a second polymer. The second fibers are separably attached to the first fiber at attaching areas intermittently formed on the first fiber....http://www.google.es/patents/US20040132374?utm_source=gb-gplus-sharePatente US20040132374 - Nonwoven fabric and process for making the same