US Patent Issued to EVONIK OPERATIONS on Aug. 25 for "Process for preparing hydroxy-functionalized polybutadiene" (German Inventors)

ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,715,939, issued on Aug. 25, was assigned to EVONIK OPERATIONS GMBH (Essen, Germany).

"Process for preparing hydroxy-functionalized polybutadiene" was invented by Nicolai Kolb (Marl, Germany), Kai-Steffen Krannig (Dortmund, Germany), Jurgen Hellwig (Schwerte, Germany), Matthias Bahlmann (Borken, Germany), Alexander Pschantka (Coesfeld, Germany) and Philip Kemper (Ahaus, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a process for preparing hydroxy-functionalized polydiene, preferably polybutadiene or polyisoprene, by reacting monomer diene with hydrogen peroxide in the presence of a hydrophilic organic solvent, wh...