ALEXANDRIA, Va., April 21 -- United States Patent no. 12,606,683, issued on April 21, was assigned to BASF SE (Ludwigshafen am Rhein, Germany).
"Expandable styrene polymers comprising polymeric brominated flame-retardant" was invented by Ingo Bellin (Ludwigshafen am Rhein, Germany), Eckhard Neufeld (Ludwigshafen am Rhein, Germany) and Jan Holoch (Ludwigshafen am Rhein, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "Expandable styrene polymers comprising polymeric brominated flame-retardant, wherein the polymeric brominated flame-retardant comprises at least one brominated polybutadiene block having a bromination degree between 33 and 75%, based on the double bonds in the polybutadiene block before br...