US Patent Issued to BASF on April 21 for "Process for preparation of polyisobutene derivatives" (German Inventors)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,606,649, issued on April 21, was assigned to BASF SE (Ludwigshafen am Rhein, Germany).

"Process for preparation of polyisobutene derivatives" was invented by Bernd Schaefer (Ludwigshafen, Germany), Klaus Muehlbach (Gruenstadt, Germany), Paul Lederhose (Ludwigshafen, Germany), Wolfgang Grabarse (Ludwigshafen, Germany), Andreas Minke (Ludwigshafen, Germany) and Thorsten Schoeppe (Ludwigshafen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present application describes a new process for the preparation of polyisobutene derivatives, such polyisobutene derivatives, and their use. The process irradiates a reaction mixture containing an oxygen-co...