Patent · US Expired

Preparation of ethyl carboxylates

US4281176A · kind A · utility

3Cited by
6References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 16, 1979
Grant dateJul 28, 1981
Priority date
Expiry dateJan 16, 1999

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C67/04
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Carboxylic acids are esterified with ethylene gas, to effect the formation of ethyl esters, by acid catalysis in the presence of at least one dissociating, inert and stable solvent which increases the acidity of the reaction medium.

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