IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIM
US007851667B2
(12) United States Patent ao) Patent No.: Us 7,851,667 B2
Becker et al. (45) Date of Patent: Dec. 14,2010
![[blocks in formation]](http://www.google.se/patents?id=S53lAAAAEBAJ&hl=sv&ie=ISO-8859-1&output=text&pg=PA1&img=1&zoom=3&hl=sv&q=&cds=1&sig=ACfU3U10hmpZLU_WbtwpkbGY1tphFYns3A&edge=0&edge=stretch&ci=127,160,381,770)
![[blocks in formation]](http://www.google.se/patents?id=S53lAAAAEBAJ&hl=sv&ie=ISO-8859-1&output=text&pg=PA1&img=1&zoom=3&hl=sv&q=&cds=1&sig=ACfU3U10hmpZLU_WbtwpkbGY1tphFYns3A&edge=0&edge=stretch&ci=478,157,383,455)
An absorbent article, preferably a disposable absorbent article such as a diaper, is disclosed that provides an improved immobilization of absorbent polymer material when the article is fully or partially urine loaded. This absorbent core is useful for providing an absorbent article of increased wearing comfort. Specifically disclosed is an absorbent core useful for an absorbent article comprising a substrate layer and absorbent material, the absorbent material comprising an absorbent polymer material, the absorbent material optionally comprising absorbent fibrous material, the absorbent fibrous material not representing more than 20% of the weight of absorbent polymer material, wherein the absorbent material is immobilized when wet such that the absorbent core achieves a wet immobilization of more than 50%, preferably of more than 60%, 70%, 80% or 90% according to the Wet Immobilization Test described herein.
17 Claims, 6 Drawing Sheets
![[merged small][merged small][table][merged small][merged small][merged small][merged small][merged small][merged small][merged small]](http://www.google.se/patents?id=S53lAAAAEBAJ&hl=sv&ie=ISO-8859-1&output=text&pg=PA2&img=1&zoom=3&hl=sv&q=&cds=1&sig=ACfU3U0-KF-LTT1g5Kv8WGEj6ZrBnnRycg&edge=0&edge=stretch&ci=127,111,386,1111)
6,004,306 A 12/1999 Robles et al.
6,083,210 A 7/2000 Young etal.
6,090,994 A 7/2000 Chen
6,120,487 A 9/2000 Ashton
6,120,489 A 9/2000 Johnson et al.
6,132,411 A 10/2000 Huberetal.
6,231,556 Bl 5/2001 Osborn, III
6,231,566 Bl 5/2001 Lai
6,258,996 Bl 7/2001 Goldman
6,368,687 Bl 4/2002 Joseph etal.
6,376,034 Bl 4/2002 Brander
6,383,431 Bl 5/2002 Dobrin etal.
6,403,857 Bl 6/2002 Gross etal.
6,429,350 Bl 8/2002 Tanzer etal.
6,458,877 Bl 10/2002 .Ahmedetal.
6,500,159 Bl * 12/2002 Carvalho 604/385.01
6,569,137 B2 5/2003 Suzuki et al.
6,645,569 B2 11/2003 Cramer etal.
6,863,933 B2 3/2005 Cramer etal.
6,863,960 B2 3/2005 Curroetal.
6,878,433 B2 4/2005 Curroetal.
6,972,011 B2 12/2005 Maedaetal.
7,037,571 B2 5/2006 Fish et al.
7,108,916 B2 9/2006 Ehrnsperger et al.
7,112,621 B2 9/2006 Rohrbaugh et al.
2002/0007169 Al 1/2002 Graefetal.
2002/0016122 Al* 2/2002 Curroetal 442/381
2002/0062112 Al* 5/2002 Mizutani 604/367
2002/0102392 Al* 8/2002 Fish et al 428/198
2002/0115969 Al 8/2002 Maedaetal.
2002/0151634 Al 10/2002 Rohrbaugh et al.
2002/0192366 Al 12/2002 Cramer etal.
2003/0105190 Al 6/2003 Diehletal.
2003/0114818 Al* 6/2003 Benecke et al 604/378
2003/0115969 Al 6/2003 Koyano
2003/0148684 Al 8/2003 Cramer etal.
2003/0233082 Al 12/2003 Kline etal.
2003/0236512 Al* 12/2003 Baker 604/385.01
2004/0097895 Al 5/2004 Busam et al.
2004/0158212 Al 8/2004 Ponomarenko et al.
2004/0162536 Al 8/2004 Becker etal.
2004/0167486 Al 8/2004 Busam et al.
2005/0008839 Al 1/2005 Cramer etal.
2005/0159720 Al 7/2005 Gentilcore et al.
2006/0177647 Al 8/2006 Schmidt etal.
2006/0240229 Al 10/2006 Ehrnsperger et al.
2007/0088308 Al 4/2007 Ehrnsperger et al.
2007/0118087 Al 5/2007 Flohretal.
2007/0156108 Al 7/2007 Becker etal.
2007/0167928 Al 7/2007 Becker etal.
2007/0179464 Al 8/2007 Becker etal.
2007/0219521 Al 9/2007 Hirdetal.
FOREIGN PATENT DOCUMENTS
![[table]](http://www.google.se/patents?id=S53lAAAAEBAJ&hl=sv&ie=ISO-8859-1&output=text&pg=PA2&img=1&zoom=3&hl=sv&q=&cds=1&sig=ACfU3U0-KF-LTT1g5Kv8WGEj6ZrBnnRycg&edge=0&edge=stretch&ci=485,937,270,234)
OTHER PUBLICATIONS
2004, Response to Office
U.S.Appl.No. 10/776,851, filed Feb. 11 Action dated Mar. 7, 2006.
U.S.Appl.No. 10/776,851, filed Feb. 11,2004, Office Action dated May 25, 2006.
U.S. Appl. No. 10/776,851, filed Feb. 11, 2004, Advisory Action dated Aug. 1, 2006.
U.S. Appl. No. 10/776,851, filed Feb. 11, 2004, Amendment with submission of RCE dated Oct. 23, 2006.
U.S.Appl.No. 10/776,851, filed Feb. 11,2004, Office Action dated Jan. 9, 2007.
U.S.Appl.No. 10/776,851, filed Feb. 11,2004, Office Action dated Aug. 9, 2007.
U.S.Appl.No. 10/776,851, filed Feb. 11,2004, Office Action dated Jan. 30, 2008.
U.S.Appl.No. 10/776,851, filed Feb. 11,2004, Office Action dated Oct. 20, 2008.
U.S.Appl.No. 10/776,851, filed Feb. 11,2004, Office Action dated May 29, 2009.
U.S.Appl.No. 11/717,235, filed Mar. 13, 2007, Office Action dated Jan. 8, 2008.
U.S. Appl. No. 11/717,235, filed Mar. 13, 2007, Response to Office Action dated Mar. 31, 2008.
U.S.Appl.No. 11/717,235, filed Mar. 13, 2007, Office Action dated Jun. 26, 2008.
U.S. Appl. No. 11/717,235, filed Mar. 13, 2007, Amendment with submission of RCE dated Aug. 26, 2008.
U.S.Appl.No. 11/717,235, filed Mar. 13, 2007, Office Action dated Oct. 15, 2008.
U.S.Appl.No. 11/717,235, filed Mar. 13, 2007, Office Action dated Apr. 10, 2009.
U.S.Appl.No. 11/717,556, filed Mar. 13, 2007, Office Action dated Jul. 14, 2008.
U.S. Appl. No. 11/717,556, filed Mar. 13, 2007, Response to Office Action dated Aug. 22, 2008.
U.S.Appl.No. 11/717,556, filed Mar. 13, 2007, Office Action dated Dec. 11,2008.
U.S. Appl. No. 11/717,556, filed Mar. 13, 2007, Amendment with submission of RCE dated Mar. 10, 2009.
U.S.Appl.No. 11/717,556, filed Mar. 13, 2007, Office Action dated Jun. 9, 2009.
U.S.Appl.No. 10/776,839, filed Feb. 11,2004, Office Action dated Jun. 30, 2006.
U.S. Appl. No. 10/776,839, filed Feb. 11, 2004, Response to Office Action dated Jul. 19, 2006.
U.S.Appl.No. 10/776,839, filed Feb. 11,2004, Office Action dated Oct. 5, 2006.
U.S.Appl.No. 10/776,839, filed Feb. 11,2004, Office Action dated Apr. 20, 2007.
U.S. Appl. No. 10/776,839, filed Feb. 11, 2004, Amendment with submission of RCE dated Jul. 20, 2007.
U.S.Appl.No. 10/776,839, filed Feb. 11,2004, Office Action dated Oct. 17, 2007.
U.S.Appl.No. 10/776,839, filed Feb. 11,2004, Office Action dated May 13, 2008.
U.S.Appl.No. 10/776,839, filed Feb. 11,2004, Office Action dated Sep. 30, 2008.
U.S. Appl. No. 11/973,811, filed Oct. 10, 2007, Office Action dated Jun. 13, 2008.
U.S.Appl.No. 11/973,811, filed Oct. 10, 2007, Response to Office Action dated Aug. 22, 2008.
U.S. Appl. No. 11/973,811, filed Oct. 10, 2007, Office Action dated Dec. 11, 2008.
U.S. Appl. No. 11/973,811, filed Oct. 10, 2007, Amendment with submission of RCE dated Mar. 3, 2009.
U.S. Appl. No. 11/973,811, filed Oct. 10, 2007, Office Action dated Jun. 24, 2009.
U.S.Appl.No. 10/776,851, filed Feb. 11, 2004, Response to Office Action dated Aug. 31, 2009.
U.S. Appl. No. 11/717,235, filed Mar. 13, 2007, Office Action dated Sep. 29, 2009.
U.S. Appl. No. 11/717,556, filed Mar. 13, 2007, Response to Office Action dated Sep. 8, 2009.
U.S. Appl. No. 11/717,556, filed Mar. 13, 2007, Office Action dated Oct. 26, 2009.
U.S.Appl.No. 10/776,839, filed Feb. 11,2004, Office Action dated Aug. 20, 2009.
U.S. Appl. No. 10/776,839, filed Feb. 11, 2004, Amendment with submission of RCE dated Nov. 12, 2009.
U.S.Appl.No. 11/973,811, filed Oct. 10, 2007, Response to Office Action dated Sep. 17, 2009.
U.S. Appl. No. 10/776,851, filed Feb. 11, 2004, Final Office Action dated Jan. 7, 2010.
U.S.Appl.No. 10/776,839, filed Feb. 11, 2004, Notice of Allowance dated Jan. 12, 2010.
U.S.Appl.No. 11/973,811, filed Oct. 10, 2007, Final Office Action dated Dec. 16, 2009.
U.S.Appl.No. 10/776,851, filed Feb. 11, 2004, Response to Office Action dated Aug. 31, 2009.
U.S. Appl. No. 11/717,235, filed Mar. 13, 2007, Office Action dated Sep. 29, 2009.
U.S. Appl. No. 11/717,235, filed Mar. 13, 2007, Response to Office Action dated Dec. 3, 2009.
U.S. Appl. No. 11/717,556, filed Mar. 13, 2007, Response to Office Action dated Sep. 8, 2009.
U.S. Appl. No. 11/717,556, field Mar. 13, 2007, Office Action dated Oct. 26, 2009.
U.S. Appl. No. 11/717,556, filed Mar. 13, 2007, Amendment with submission of RCE dated Dec. 4, 2009.
U.S.Appl.No. 10/776,839, filed Feb. 11,2004, Office Action dated Aug. 20, 2009.
U.S. Appl. No. 10/776,839, filed Feb. 11, 2004, Amendment with submission of RCE dated Nov. 12, 2009.
U.S.Appl.No. 10/776,839, filed Feb. 11, 2004, Notice of Allowance dated Nov. 30, 2009.
U.S.Appl.No. 10/776,839, filed Feb. 11,2004, RCE with submission ofIDSdatedDec.7, 2009.
U.S.Appl.No. 11/973,811, filed Oct. 10, 2007, Response to Office Action dated Sep. 17, 2009.
* cited by examiner
|
