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:
Jan. 08, 2013
Filed:
May. 21, 2008
Jörg Harren, Krefeld, DE;
Herbert Vorholt, Haltern am See, DE;
Manfred Van Stiphoudt, Kempen, DE;
Rüdiger Hose, Tönisvorst, DE;
Stephan Ramlow, Krefeld, DE;
Stefan Derstappen, Tönisvorst, DE;
Axel Busch, Krefeld, DE;
Michael Lange, Rheinberg, DE;
Waldemar Inger, Krefeld, DE;
Kai Hebben, Tönisvorst, DE;
Jörg Harren, Krefeld, DE;
Herbert Vorholt, Haltern am See, DE;
Manfred Van Stiphoudt, Kempen, DE;
Rüdiger Hose, Tönisvorst, DE;
Stephan Ramlow, Krefeld, DE;
Stefan Derstappen, Tönisvorst, DE;
Axel Busch, Krefeld, DE;
Michael Lange, Rheinberg, DE;
Waldemar Inger, Krefeld, DE;
Kai Hebben, Tönisvorst, DE;
Evonik Stockhausen GmbH, Krefeld, DE;
Abstract
The present invention relates to a process for the production of a superabsorber, comprising as steps providing a water-absorbing polymer structure, bringing the water-absorbing polymer structure into contact with a modifying agent, preferably a modifying agent, and the further treatment of the water-absorbing polymer structure which has been brought into contact with the modifying agent. The further treatment is carried out at least partly in a rotating container. The invention furthermore relates to a device for the production of a superabsorber, superabsorbers, a composite, a process for the production of a composite, the composites obtainable by this process, chemical products, such as foams, shaped articles or fibers, and the use of a superabsorber.