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. 22, 2007
Filed:
Jan. 30, 2003
Hans-joachim Hähnle, Neustadt, DE;
Rüdiger Funk, Niedernhausen, DE;
Wolfgang Heider, Neustadt, DE;
Gunnar Schornick, Neuleiningen, DE;
Volker Frenz, Mainz-Kostheim, DE;
Hans-Joachim Hähnle, Neustadt, DE;
Rüdiger Funk, Niedernhausen, DE;
Wolfgang Heider, Neustadt, DE;
Gunnar Schornick, Neuleiningen, DE;
Volker Frenz, Mainz-Kostheim, DE;
BASF Aktiengesellschaft, Ludwigshafen, DE;
Abstract
A process for the reduction of the residual monomer content and enhancement of the wet strength of articles formed from water absorbent crosslinked polymer foams containing units derived from monoethylenically unsaturated acids, which comprises treating the formed articles with at least 0.5% by weight of a polymer containing primary and/or secondary amino groups and having a molar mass of at least 300, the formed foam articles thus obtainable and use of the wet strength enhanced formed foam articles in hygiene articles.