P&G issued US patent for 'diaper with improved body fit'; patent filed on March 28, 2005
May 28, 2014
(U.S. Fed News)
– United States Patent no. 8,735,646, issued on May 27, was assigned to The Procter & Gamble Co. (Cincinnati).
"Diaper with improved body fit" was invented by Holger Beruda (Schwalbach, Germany), Yasue Nakagawa (Bad Soden, Germany), Mattias Schmidt (Idstein, Germany), Hiroyuki Ikeuchi (Himeji, Japan), Kazushi Torii (Himeji, Japan), Shigeru Sakamoto (Himeji, Japan), Taku Iwamura (Himeji, Japan) and Sayaka Machida (Himeji, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An absorbent article that has a thin, conformable absorbent core where the core has at least two layers, both of which are substantially free of cellulosic fibers is described. The first layer is intended to provide storage for the majority of acquired fluids and has an AAP of at least about 20 g/g and the second layer, which provides temporary capacity for the bulk of the acquired fluid and permanent storage for at least a portion thereof, comprises a second absorbent polymer material which has a Wet Permeability of at least about 400x107 (cm3 seconds)/g a ratio of Wet Permeability to SFC of at least about 1.5:1 with respect to the first absorbent polymer material."
The patent was filed on March 28, 2005, under Application No. 11/091,255.
*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=1&f=G&l=50&co1=AND&d=PTXT&s1=8735646&OS=8735646&RS=8735646
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