An absorbent article, such as a sanitary napkin or incontinence guard, comprises a liquid-impermeable surface layer which is remote from the wearer when the article is worn, a liquid-permeable surface layer which faces towards the wearer in use, and an absorbent pad which is contained between the two...http://www.google.fr/patents/US5454802?utm_source=gb-gplus-shareBrevet US5454802 - Sanitary napkin or incontinence guard