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:
Dec. 17, 2013
Filed:
Feb. 15, 2010
Applicants:
Rüdiger Funk, Niedernhausen, DE;
Jürgen Schröder, Ludwigshafen, DE;
Emil Bitzer, Roedersheim-Gronau, DE;
Inventors:
Rüdiger Funk, Niedernhausen, DE;
Jürgen Schröder, Ludwigshafen, DE;
Emil Bitzer, Roedersheim-Gronau, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B02C 19/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for producing water-absorbing polymer particles, comprising classification by means of a tumbler screening machine, wherein the tumbler screening machine used for classification is equipped with at least one ball knock cleaning system and entrained balls are removed outside the tumbler screening machine by means of a capture device.