A meltblown web having meltblown fibers and particles is provided. The particles are embedded in and retained by one or more meltblown fibers as a result of surface penetration of the particles into one or more meltblown fibers. The surface penetration of any particle into one or more meltblown fibers...http://www.google.es/patents/US6417120?utm_source=gb-gplus-sharePatente US6417120 - Particle-containing meltblown webs
