US Patent Issued to ASAHI KASEI on May 12 for "Method for industrially producing dialkyl carbonate and diol" (Japanese Inventor)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,623,996, issued on May 12, was assigned to ASAHI KASEI K.K. (Tokyo).

"Method for industrially producing dialkyl carbonate and diol" was invented by Hironobu Yamauchi (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "The method for industrially producing a dialkyl carbonate and a diol, in which the dialkyl carbonate and the diol are continuously produced through a reactive distillation system of taking a cyclic carbonate and an aliphatic monohydric alcohol as starting materials, comprising the steps of: continuously feeding the starting materials into a continuous multi-stage distillation column in which a homogeneous catalyst is present; carrying out...