A method of making a nonwoven web is described, wherein the web contains meltblown fibers and staple fibers. The meltblown fibers may be present as a bimodal mixture of microfibers and mesofibers, and comprise an intermingled mixture with staple fibers further intermingled therein....http://www.google.fr/patents/US20080315454?utm_source=gb-gplus-shareBrevet US20080315454 - METHOD OF MAKING MELTBLOWN FIBER WEB WITH STAPLE FIBERS
METHOD OF MAKING MELTBLOWN FIBER WEB WITH STAPLE FIBERS