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:
Aug. 04, 2009
Filed:
May. 28, 2008
Gerhard Schoppel, Steinhaus b. Wels, AT;
Georg Haeubl, Linz, AT;
Marion Wagner, Katsdorf, AT;
Helmuth Kirsch, Wels, AT;
Erich Schulz, Ansfelden, AT;
Gerald Summer, Linz, AT;
Gerhard Schoppel, Steinhaus b. Wels, AT;
Georg Haeubl, Linz, AT;
Marion Wagner, Katsdorf, AT;
Helmuth Kirsch, Wels, AT;
Erich Schulz, Ansfelden, AT;
Gerald Summer, Linz, AT;
DSM Fine Chemicals Austria Nfg GmbH & Co. KG, Linz, AT;
Abstract
An apparatus and process for defined comminution of polymer gels, wherein the apparatus includes a static cutting element in the form of a cutting screen. The cutting element is optionally supported, and has pretensioned wires, rods, fibers, wovens, stencils or profiles. Optionally, a dynamic cutting element is provided for shortening the gel strands or particles obtained by means of the static cutting unit. Also, a feed unit is provided for feeding the polymer gel to the static cutting element in a clamped-in, shape-stable state. The feeding of the gel is effected batchwise or continuously.