Patent · US Expired

Manufacture of carbonyl compounds

US4239657A · kind A · utility

7Cited by
2References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 12, 1979
Grant dateDec 16, 1980
Priority date
Expiry dateFeb 12, 1999

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C45/74
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Aldehydes or ketones of not less than 4 or 5 carbon atoms, respectively, are manufactured in a one stage process in the liquid phase by subjecting aldehydes and/or ketones of not less than 2 or 3 carbon atoms, respectively, to an aldol condensation and hydrogenating the resulting olefinically unsaturated aldehyde, the catalyst used for the aldol condensation and hydrogenation containing nickel or cobalt or their mixtures, zinc oxide and at least one of the elements iron, arsenic, antimony, bismuth, gallium, indium, thallium, germanium, tin, lead, cadmium and mercury or compounds of the said elements.

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