ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,183, issued on March 31, was assigned to BASF SE (Ludwigshafen am Rhein, Germany).
"Polyalkyleneimine-based polymers containing polyether chains" was invented by Huiguang Kou (Ludwigshafen am Rhein, Germany), Steffen Onclin (Ludwigshafen am Rhein, Germany), Catharina Wohlmuth (Ludwigshafen am Rhein, Germany), Ronald Ettl (Ludwigshafen am Rhein, Germany), Eva-Maria Reis-Walther (Ludwigshafen am Rhein, Germany) and Clemens Auschra (Ludwigshafen am Rhein, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The presently claimed invention relates to polyalkyleneimine-based polymers that are useful as dispersants and a process for the preparation the...