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:
Dec. 01, 2015

Filed:

May. 15, 2012
Applicants:

Antje Ziemer, Mannheim, DE;

Horst Kaluza, Ludwigshafen, DE;

Ernst Jürgen Bauer, Ludwigshafen, DE;

Stefan Bruhns, Hellerup, DK;

Thomas Daniel, Waldsee, DE;

John Christian Schmitt, Cologne, DE;

Kerstin Meyer-lipp, Bad Nauheim, DE;

Guenter Reinhard Schmidt, Linden, DE;

Inventors:

Antje Ziemer, Mannheim, DE;

Horst Kaluza, Ludwigshafen, DE;

Ernst Jürgen Bauer, Ludwigshafen, DE;

Stefan Bruhns, Hellerup, DK;

Thomas Daniel, Waldsee, DE;

John Christian Schmitt, Cologne, DE;

Kerstin Meyer-Lipp, Bad Nauheim, DE;

Guenter Reinhard Schmidt, Linden, DE;

Assignee:

BASF SE, Ludwigshafen, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 20/22 (2006.01); A61L 15/60 (2006.01); A61L 15/42 (2006.01); B32B 5/24 (2006.01); B01D 15/00 (2006.01); A61F 13/53 (2006.01);
U.S. Cl.
CPC ...
A61L 15/60 (2013.01); A61L 15/425 (2013.01); B01D 15/00 (2013.01); B32B 5/245 (2013.01); A61F 2013/530649 (2013.01); B32B 2262/02 (2013.01); B32B 2262/0276 (2013.01); B32B 2266/0242 (2013.01); B32B 2307/726 (2013.01); B32B 2307/728 (2013.01); B32B 2555/00 (2013.01);
Abstract

This invention relates to a process for producing water-absorbing composites comprising the steps of foaming an aqueous mixture comprising at least one monoethylenically unsaturated monomer bearing acid groups, at least one crosslinker, at least one initiator and at least one surfactant, contacting the foam obtained with at least one web of synthetic fibers and polymerizing, to the composites themselves and to their use for absorbing aqueous fluids.


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