A urine absorbing pad comprising a laminate including: a liquid penneable internal surface sheet; a liquid impermeable external surface sheet; and an absorbent core sandwiched between the internal and external surface sheets. The laminate forming a bag body having an opening, at which the internal surface...http://www.google.es/patents/US6338729?utm_source=gb-gplus-sharePatente US6338729 - Urine absorbing pad
