A method of forming a meltblown web having meltblown fibers and particles is provided. The particles are heated to a temperature approximating that of the meltblown fibers as they are being extruded. As a portion of any heated particle impacts the skin of one or more solidifying meltblown fibers, that...http://www.google.de/patents/US6319342?utm_source=gb-gplus-sharePatent US6319342 - Method of forming meltblown webs containing particles