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:
Oct. 31, 2017
Filed:
Apr. 19, 2010
Applicants:
Rüdiger Funk, Niedernhausen, DE;
Jürgen Schröder, Ludwigshafen, DE;
Thomas Pfeiffer, Böhl-Iggelheim, DE;
Emil Bitzer, Rödersheim-Gronau, DE;
Inventors:
Rüdiger Funk, Niedernhausen, DE;
Jürgen Schröder, Ludwigshafen, DE;
Thomas Pfeiffer, Böhl-Iggelheim, DE;
Emil Bitzer, Rödersheim-Gronau, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 2/10 (2006.01); B03C 1/28 (2006.01); C08F 6/02 (2006.01);
U.S. Cl.
CPC ...
C08F 2/10 (2013.01); B03C 1/286 (2013.01); C08F 6/02 (2013.01); B03C 2201/18 (2013.01);
Abstract
A process for removing metallic impurities from a product mass flow comprising water-absorbing polymer particles by means of bar magnets, wherein the water-absorbing polymer particles comprise a surfactant and have direct contact with the bar magnets.