Patent · US Expired

Process for preparing perhaloacyl chlorides

US5296640A · kind A · utility

1Cited by

3References

6Claims

0Family size

Assignee

E.I. DU PONT DE NEMOURS AND COMPANY · US

Inventors

Stephen Ernest Jacobson · Princeton Junction, US
Wayne B. Ely · West Chester, US

Key dates

Filing date	Sep 15, 1992
Grant date	Mar 22, 1994
Priority date	—
Expiry date	Sep 15, 2012

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P20/54
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

A process for preparing perhaloacyl chlorides such as trifluoroacetyl chloride by oxidizing lower perfluoroalkyl and monochloroperfluoroalkyl dichloromethane within the supercritical region and in the absence of water.

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