Patent · US Expired

Oxidation of fluorine containing sulfides to sulfones

US5206440A · kind A · utility

1Cited by

1References

13Claims

0Family size

Assignee

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

Inventors

Richard Beckerbauer · Wilmington, US
Shlomo Rozen · Wilmington, US

Key dates

Filing date	Jul 28, 1992
Grant date	Apr 27, 1993
Priority date	—
Expiry date	Jul 28, 2012

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C315/02
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

A process for production of fluorinated sulfones from fluorinated organic sulfides by oxidation of the sulfides with an oxidizing reagent made from fluorine, water and acetonitrile. The sulfones are useful as second order nonlinear optical dyes.

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