Patent · US Expired

Method for preparing fluorinated ketones

US6818796B2 · kind B2 · utility

2Cited by
1References
36Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 26, 2003
Grant dateNov 16, 2004
Priority date
Expiry dateSep 26, 2023

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C45/48
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A subject of the present invention is a process for preparation of fluorinated ketones corresponding to general formula (I) R1—CO—R2 in which R1 and R2 are as defined in claim 1, characterized in that it consists of reacting two carboxylic acids of Formula (II), R1—COOH and Formula (III), R2—COOH, in the gaseous phase and in the presence of a catalyst comprising at least one oxide of an element chosen from the rare earths, thorium, titanium and aluminum.

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