Patent · US Active

Method for hydrolyzing alpha-chlorinated toluene compounds

US9006497B2 · kind B2 · utility

0Cited by

4References

12Claims

0Family size

Assignee

INEOS Chlorotoluenes Limited · GB

Inventors

Dirk Van Deynse · Tessenderlo, BE
Koen Van Aken · Kuurne, BE
Wouter Van Hecke · Mol, BE

Key dates

Filing date	Jul 26, 2011
Grant date	Apr 14, 2015
Priority date	—
Expiry date	Jul 26, 2031

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C29/124
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The current invention provides and improved method for hydrolyzing alpha-chlorinated toluene compounds comprising the steps of:—providing an alpha-chlorinated toluene compound of formula (I) wherein at least one of R1, R2 and R3 is CI and wherein (Ra)n designates that the benzene nucleus may have one or more substituents which may be same or different and are selected from the group consisting of H, CI, Br and —CmH2m+1, n being 0 or an integer from 1 to 5, and m being an integer, preferably from 1 to 6,—hydrolyzing said compound with water in the presence of a metal oxide.

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