Patent · US Expired

Catalytic preparation of ketones from aldehydes

US3966822A · kind A · utility

14Cited by
5References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 27, 1972
Grant dateJun 29, 1976
Priority date
Expiry dateApr 27, 1992

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C49/553
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Symmetrical and unsymmetrical ketones are produced from aldehydes (aliphatic, alicyclic or aromatic aldehydes) or their mixtures according to the process of the present invention which comprises contacting the aldehydes or mixtures theirof with a catalyst selected from the group consisting of zirconium oxide and combinations of zirconium oxide with an alkali metal oxide and/or an alkaline earth metal oxide. Said catalyst is used with or without a carrier. The process is operated in the vapor phase at elevated temperature in the presence or absence of steam.

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