Patent · US Expired

Alcohols production by hydrogenation of carboxylic acids

US4990655A · kind A · utility

166Cited by
7References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 9, 1988
Grant dateFeb 5, 1991
Priority date
Expiry dateDec 9, 2008

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S502/525
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Ethanol is produced from acetic acid or propanol is produced from propionic acid by contacting either acetic acid or propionic acid in the vapor phase with hydrogen at elevated temperature and a pressure in the range from 1 to 150 bar in the presence of a catalyst comprising as essential components (i) a noble metal of Group VIII of the Periodic Table of the Elements, and (ii) rhenium, optionally on a support, for example a high surface area graphitized carbon.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.