09.10.14
US Patent No.: 8,669,410 B2
Inventor(s): Matthias Weismantel, Jossgrund-Oberndorf, Germany; Rüdiger Funk, Niedernhausen, Germany; Ulrich Schröder, Frankenthal, Germany; Marco Krüger, Mannheim, Germany; and John Joseph Louden, Manchester, UK.
Company: BASF SE, Ludwigshafen, Germany.
Filed: 7/30/09
Issued: 3/11/14
A fluid-absorbent article, comprising (A) an upper liquid-pervious layer, (B) a lower liquid-impervious layer, (C) a fluid-absorbent core between the layer (A) and the layer (B), comprising a fibrous material and 10 to 95% by weight of fluid-absorbent polymer particles, and (D) an acquisition distribution layer between the layer (A) and the core (C), comprising a fibrous material and 0 to 20% by weight of fluid-absorbent polymer particles, wherein the fluid-absorbent polymer particles have a mean sphericity of at least 0.84.
Inventor(s): Matthias Weismantel, Jossgrund-Oberndorf, Germany; Rüdiger Funk, Niedernhausen, Germany; Ulrich Schröder, Frankenthal, Germany; Marco Krüger, Mannheim, Germany; and John Joseph Louden, Manchester, UK.
Company: BASF SE, Ludwigshafen, Germany.
Filed: 7/30/09
Issued: 3/11/14
A fluid-absorbent article, comprising (A) an upper liquid-pervious layer, (B) a lower liquid-impervious layer, (C) a fluid-absorbent core between the layer (A) and the layer (B), comprising a fibrous material and 10 to 95% by weight of fluid-absorbent polymer particles, and (D) an acquisition distribution layer between the layer (A) and the core (C), comprising a fibrous material and 0 to 20% by weight of fluid-absorbent polymer particles, wherein the fluid-absorbent polymer particles have a mean sphericity of at least 0.84.