Patent · US Expired

Process for the preparation of halogenated derivatives and Lewis acid base catalysts thereof

US6235949A · kind A · utility

0Cited by

4References

32Claims

0Family size

Assignee

RHODIA CHIMIE · FR

Inventors

Herve Garcia · Saint-Fons, FR
Laurent Gilbert · Paris, FR
Serge Ratton · Poissy, FR
Christophe Rochin · Val-de-Reuil, FR

Key dates

Filing date	Mar 10, 1997
Grant date	May 22, 2001
Priority date	—
Expiry date	Mar 10, 2017

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C41/22
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

A process for the preparation of halide compounds, preferably aryl halides, by contacting a gaseous mixture of hydrohalic acid and a compound selected from an aryl halogen formate, an aryl carbonate and equivalents thereof with a Lewis acid catalyst.

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