ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,053, issued on March 31, was assigned to Evonik Operations GmbH (Essen, Germany).
"Process for preparing vanillin (meth)acrylates" was invented by Sebastian Bestgen (Eschborn, Germany), Thorben Schutz (Alsbach-Haehnlein, Germany), Tim Bleith (Mainz, Germany), Gunther Graff (Bensheim, Germany), Silvia Beyer (Ober-Ramstadt, Germany) and Tanja Nawrath (Bickenbach, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "An improved process can be used for preparing vanillin (meth)acrylates and derivatives or structurally related compounds thereof in high purity, by reacting an alcohol with an activated (meth)acrylic acid derivative. Ethyl vanillin (meth...