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. 10, 2014

Filed:

Jul. 12, 2007
Applicants:

Uwe Stueven, Bad Soden, DE;

Matthias Weismantel, Jossgrund-Oberndorf, DE;

Wilfried Heide, Freinsheim, DE;

Marco Krüger, Mannheim, DE;

Volker Seidl, Mannheim, DE;

Stefan Blei, Mannheim, DE;

Dennis Loesch, Altrip, DE;

Rüdiger Funk, Niedernhausen, DE;

Annemarie Hillebrecht, Künzell, DE;

Inventors:

Uwe Stueven, Bad Soden, DE;

Matthias Weismantel, Jossgrund-Oberndorf, DE;

Wilfried Heide, Freinsheim, DE;

Marco Krüger, Mannheim, DE;

Volker Seidl, Mannheim, DE;

Stefan Blei, Mannheim, DE;

Dennis Loesch, Altrip, DE;

Rüdiger Funk, Niedernhausen, DE;

Annemarie Hillebrecht, Künzell, DE;

Assignee:

BASF SE, Ludwigshafen, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 5/16 (2006.01); B32B 9/00 (2006.01); B32B 15/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

A process for preparing water-absorbing polymer beads with high permeability by polymerizing droplets of a monomer solution in a gas phase surrounding the droplets, wherein a water-insoluble inorganic salt is suspended in the monomer solution and the polymer beads have a mean diameter of at least 150 μm.


Find Patent Forward Citations

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Stueven, Uwe. (2014). Method for producing water-absorbent polymer particles with a higher permeability by polymerizing droplets of a monomer solution (U.S. Patent No. 8748000). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8748000

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