In accordance with the present invention, a sanitary napkin having a body surface and a garment surface and being comprised of an absorbent means underlayed by a liquid barrier means, wherein the sanitary napkin is relatively highly flexible and has a capacity great enough to handle medium to high menstrual...http://www.google.de/patents/US4950264?utm_source=gb-gplus-sharePatent US4950264 - Thin, flexible sanitary napkin
