The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 09, 2016

Filed:

Jan. 28, 2011
Applicants:

Henning Röttger, Kaltenkirchen, DE;

Stefanie Lutter, Wittstock, DE;

Ralf Ehmke, Meyenburg, DE;

Inventors:

Henning Röttger, Kaltenkirchen, DE;

Stefanie Lutter, Wittstock, DE;

Ralf Ehmke, Meyenburg, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F 13/15 (2006.01); A61L 15/60 (2006.01); A61F 13/534 (2006.01); A61L 15/28 (2006.01); B32B 5/26 (2006.01); B32B 33/00 (2006.01); A61F 13/539 (2006.01); A61F 13/511 (2006.01); A61F 13/537 (2006.01); A61F 13/53 (2006.01);
U.S. Cl.
CPC ...
A61L 15/60 (2013.01); A61F 13/15658 (2013.01); A61F 13/534 (2013.01); A61F 13/53743 (2013.01); A61L 15/28 (2013.01); B32B 5/26 (2013.01); B32B 33/00 (2013.01); A61F 13/15707 (2013.01); A61F 13/15747 (2013.01); A61F 13/15764 (2013.01); A61F 13/5116 (2013.01); A61F 13/537 (2013.01); A61F 13/539 (2013.01); A61F 2013/15821 (2013.01); A61F 2013/15878 (2013.01); A61F 2013/530131 (2013.01); A61F 2013/530481 (2013.01); B32B 2250/20 (2013.01); B32B 2255/02 (2013.01); B32B 2255/26 (2013.01); B32B 2262/02 (2013.01); B32B 2262/062 (2013.01); B32B 2262/12 (2013.01); B32B 2262/14 (2013.01); B32B 2264/02 (2013.01); B32B 2307/726 (2013.01); B32B 2555/02 (2013.01); Y10T 442/668 (2015.04);
Abstract

The invention relates to an absorbent structure having a sequence of layers, comprising at least one first and one second outer layer and at least one liquid storage layer arranged therebetween, wherein the layers are arranged on top of each other and form a layer structure, wherein at least the liquid storage layer comprises a cellulose material, preferably cellulose fibers, and a super-absorbent polymer SAP, preferably SAP particles and/or SAP fibers, wherein the liquid storage layer comprises at least less, preferably no, binder than liquid-storing layers of the absorbent structure adjacent to the liquid storage layer. The absorbent structure has particularly high flexibility in the wet and the dry state. It can preferably be used in disposable items. The invention further relates to a method for producing the absorbent structure and to a device for producing same.


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