US Patent Issued to DAICEL on Nov. 18 for "Method for producing 1,3-butylene glycol, and 1,3-butylene glycol product" (Japanese Inventors)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,472,133, issued on Nov. 18, was assigned to DAICEL Corp. (Osaka, Japan).

"Method for producing 1,3-butylene glycol, and 1,3-butylene glycol product" was invented by Masahiko Shimizu (Tokyo), Satoshi Kusakabe (Tokyo) and Ryuji Saitou (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a method capable of yielding high-purity 1,3-butylene glycol having a very low content of a high boiling point component and a low dry point, with a high recovery ratio. A method for producing 1,3-butylene glycol to yield purified 1,3-butylene glycol from a reaction crude liquid containing 1,3-butylene glycol, in which, in a high boiling point component remova...