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:
Jun. 24, 2025

Filed:

Apr. 09, 2019
Applicant:

Basf SE, Ludwigshafen am Rhein, DE;

Inventors:

Stephan Bauer, Ludwigshafen, DE;

Katrin Baumann, Ludwigshafen, DE;

Norbert Herfert, Shanghai, CN;

Li Guo Duan, Shanghai, CN;

Le Li, Shanghai, CN;

Xiao Yan Liu, Shanghai, CN;

Gao Min Sun, Shanghai, CN;

Assignee:

BASF SE, Ludwigshafen am Rhein, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F 13/53 (2006.01); A61L 15/24 (2006.01); A61L 15/60 (2006.01);
U.S. Cl.
CPC ...
A61F 13/53 (2013.01); A61L 15/24 (2013.01); A61L 15/60 (2013.01); A61F 2013/530591 (2013.01);
Abstract

The present disclosure relates to fluid absorbent cores including at least one absorption layer, the layer including at least 80% by weight of water-absorbent polymer particles, 0 to 10% by weight of an adhesive and from 0 to 10% by weight of fibrous material, wherein the water-absorbent polymer particles within the absorption layer are water-absorbent polymer particles having a vortex of 40 s or less and having a roundness of 0.79 to 0.85 and/or a CRC of 38 g/g to 85 g/g.


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