Return to Abstracts of Patents Return to Abstracts of Patents 250-499 Patent Abstracts255. ------. BROOKS, R. E., AND E. I. DU PONT DE NEMOURS & Co. Improvements in and Relating to the Synthesis of Esters From Carbon Monoxide and Alcohols. British Patent 628,160, Aug. 23, 1949. Chem. Abs., vol. 44, 1950. p. 1526. See United States Patent 2,457,204 (abs. 254). |