Novel breathable disposable diapers of per se known configuration comprising a back sheet having a crotch portion and corner portions or wings adapted for engaging the waist and stomach of the wearer, the corner portions being both air-and liquid-permeable, the crotch portion of the back sheet comprising...http://www.google.ca/patents/US5263948?utm_source=gb-gplus-sharePatent US5263948 - Breathable disposable diapers
