Method for producing 1,6-hexanediol (US Patent 6407294)

Patent number: 6407294 Kind code: B1 Granted: 2002-06-18 Filed: 2000-04-20 Inventors: Boris Breitscheidel (Limburgerhof, DE); Rolf Pinkos (Bad Dürkheim, DE); Frank Stein (Bad Dürkheim, DE); Shelue Liang (Ludwigshafen, DE); Rolf Hartmuth Fischer (Heidelberg, DE) Assignees: BASF Aktiengesellschaft (Ludwigshafen, DE)

Abstract

A process for producing 1,6-hexanediol by hydrogenation of adipic esters and/or 6-hydroxycaproic esters in the gas phase at elevated temperature and elevated pressure in the presence of chromium-free catalysts