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. 10, 2024
Filed:
Nov. 04, 2019
Basf SE, Ludwigshafen, DE;
Monte Alan Peterson, Freeport, TX (US);
John Perry Guentzel, Geismar, LA (US);
Juergen Schroeder, Ludwigshafen, DE;
Ruediger Funk, Ludwigshafen, DE;
Matthias Weismantel, Ludwigshafen, DE;
BASF SE, Ludwigshafen, DE;
Abstract
The invention relates to a process for producing superabsorbent polymer particles, comprising storing acrylic acid in at least one tank (B) at a production site for acrylic acid and in at least one tank (B) at a production site for superabsorbent polymer particles, wherein the at least one tank (B) at the production site for acrylic acid and the at least one tank (B) at the production site for superabsorbent polymer particles are interconnected by one single pipe line () and the flow inside the pipe line () is temporary reversed during interruptions of the production superabsorbent polymer particles.