Patent ID: 9387135
Filing Date: 2016-07-12
CPC Classification: A61F

Claim Text:
1. An absorbent article, comprising: a liquid-permeable sheet, a liquid-impermeable sheet and an absorbent body provided between the liquid-permeable sheet and the liquid-impermeable sheet, wherein the liquid-permeable sheet has the extensible region and the flexible region overlap the absorbent body and are formed in a liquid-receiving region adapted to receive a liquid supplied to the liquid-permeable sheet, a liquid permeation hole is formed in the extensible region, and no liquid permeation hole is formed in the flexible region, the extendable bellows structure has mountain and valley folds laid out in a lengthwise direction of the absorbent article and aligned in a widthwise direction of the absorbent article, the liquid permeation hole is formed in a side section of the extendable bellows structure, said side section connecting an uppermost section of one of the mountain folds and a lowermost section of an adjacent one of the valley folds, wherein the liquid permeation hole is spaced away from the uppermost section of said one of the mountain folds and the lowermost section of said adjacent one of the valley folds, wherein the flexible region is in plane with the uppermost section of said one of the mountain folds, and wherein the liquid permeable sheet comprises a blood modifying agent with an IOB of 0.00-0.60, a melting point of 45° C. or less, and a water solubility of 0.00-0.05 g in 100 g of water at 25° C.