US Patent Issued to DSM IP ASSETS, UNIVERSITAT BASEL on March 31 for "Photooxidation of 2,4,6-trimethylphenol" (Swiss Inventors)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,058, issued on March 31, was assigned to DSM IP ASSETS B.V. (Maastricht, Netherlands) and UNIVERSITAT BASEL (Basel, Switzerland).

"Photooxidation of 2,4,6-trimethylphenol" was invented by Werner Bonrath (Kaiseraugst, Switzerland), Thomas Buchholz (Kaiseraugst, Switzerland), Thomas Netscher (Kaiseraugst, Switzerland), Jan Schuetz (Kaiseraugst, Switzerland) and Christof Sparr (Kaiseraugst, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to the photooxidation of 2,4,6-trimethyl-phenol to yield 4-hydroperoxy-2,4,6-trimethylcyclohexa-2,5-dien-1-one using methylene blue as photosensitizer in a solvent mixture of w...