An absorbent core for use in an absorbent article such as a diaper, training pant, feminine hygiene product, or an incontinence product includes a stabilized first absorbent layer and a second absorbent layer that contains a superabsorbent and absorbent fibers treated with a non-fugitive densification...http://www.google.com/patents/US6888044?utm_source=gb-gplus-sharePatent US6888044 - High capacity absorbent structure and method for producing same
