Patent ID: 7938814

Claim:
A disposable diaper comprising a liquid permeable topsheet, a liquid impermeable backsheet, and a liquid retentive absorbent member and having a substantially oblong shape consisting of a back portion, a crotch portion, and a stomach portion, said absorbent member in the crotch portion having a middle absorbent portion which occupies 3/7 of the width of the absorbent member in the crotch portion and side absorbent portions which each occupy 1/7 of the width of the absorbent member in the crotch portion, wherein each of said side absorbent portions has a larger unit absorption capacity (g/cm 2 ) than said middle absorbent portion, wherein the difference of unit absorption capacity between the side absorbent portions and middle absorbent portion is 0.1 to 0.8 g/cm 2 , one or two hydrophobic sheet(s) are disposed on the lateral outer edge of each of said side absorbent portions to cover from the upper to lower surfaces of said edge, an elastic member is disposed in the part having each of said side absorbent portions in the longitudinal direction of said side absorbent portions and further located at the back of said absorbent member between said liquid impermeable backsheet and a sheet forming the outer surface of the liquid retentive absorbent member, a plurality of compressed parts is formed in each side portion at intervals in the longitudinal direction of the side portions, and the elastic member is disposed across the plurality of compressed parts.