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:
Mar. 13, 2018
Filed:
Jan. 10, 2008
Matthias Weismantel, Jossgrund-Oberndorf, DE;
Rüdiger Funk, Niedernhausen, DE;
Leigh R. Blair, Greenwood Springs, MS (US);
Kevin D. Heitzhaus, Suffolk, VA (US);
Bruce Storey, Chesapeake, VA (US);
Matthias Weismantel, Jossgrund-Oberndorf, DE;
Rüdiger Funk, Niedernhausen, DE;
Leigh R. Blair, Greenwood Springs, MS (US);
Kevin D. Heitzhaus, Suffolk, VA (US);
Bruce Storey, Chesapeake, VA (US);
BASF SE, Ludwigshafen, DE;
Abstract
The invention relates to the production of superabsorbent polymers on a continuous belt reactor, comprising at least one rotating knife that cuts the formed polymer gel at the end of the continuous belt reactor, wherein the length of the cutting edge is at least 1 cm and the cutting edge is non-parallel to the rotation axis.