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.
Patent No.:
Date of Patent:
May. 08, 2018
Filed:
Jun. 29, 2011
Applicants:
Xiaomin Zhang, Charlotte, NC (US);
Michael A. Mitchell, Waxhaw, NC (US);
Inventors:
Xiaomin Zhang, Charlotte, NC (US);
Michael A. Mitchell, Waxhaw, NC (US);
Assignee:
BASF SE, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61L 15/60 (2006.01); A61F 13/53 (2006.01);
U.S. Cl.
CPC ...
A61L 15/60 (2013.01); A61F 13/53 (2013.01); A61F 2013/530547 (2013.01); A61F 2013/530708 (2013.01);
Abstract
The present invention relates to ultrathin fluid-absorbent cores comprising a substrate layer, water-absorbent polymer particles and an adhesive, wherein the water-absorbent polymer particles comprise a basic salt of a polyvalent metal cation and a monovalent carboxylic acid anion on the surface and the wet SAP shake out of water-absorbent polymer particles out of the fluid-absorbent core is less than 10% by weight.