ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,157, issued on Dec. 9, was assigned to Sumitomo Chemical Co. Ltd. (Tokyo).
"Method for producing methanol" was invented by Takuya Ozawa (Ichihara, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a method which is for producing methanol and which achieves high catalyst stability over time. This method for producing methanol includes the step of bringing a raw material gas into contact with a catalyst to obtain methanol, the raw material gas containing a carbon oxide and hydrogen, the catalyst containing (i) copper and zinc at a molar ratio of the zinc relative to the copper (Zn/Cu) of 0.3 to 0.45, and (ii) an alkali metal in an amount...