Patent ID: 7838723

Claim:
An absorbent structure comprising a first region and a second region in liquid communication with said first region characterized in that said first region comprises a material having a Capillary Sorption Desorption Height for 50% of its capacity at 0 cm height, CSDH 50 , of more than 60 cm, and said second region comprises a material which satisfies at least one of the following requirements: (a) a Capillary Sorption Absorption Capacity at 35 cm (CSAC 35 ) of at least 12 g/g; and/or (b) a Capillary Sorption Absorption Capacity at 0 cm height (CSAC 0 ) of at least 15 g/g and a Capillary Sorption Absorption Efficiency at 40 cm (CSAE 40 ) of at least 55%; and/or (c) a Capillary Sorption Absorption Height at 50% of its capacity at 0 cm absorption height (CSAH 50 ) of at least 35 cm.