Patent · US Expired

Process for continuous alkylation of phenol using ion exchange resins

US4168390A · kind A · utility

4Cited by

1References

5Claims

0Family size

Assignee

Chemische Werke Huels, A.G. · DE

Inventors

Helmut Alfs · Marl, DE
Heinz Steiner · Bubendorf, CH
Karl-Heinz Grunheit · Marl, DE
Georg G. A. Bohm · Akron, US

Key dates

Filing date	Aug 4, 1976
Grant date	Sep 18, 1979
Priority date	—
Expiry date	Aug 4, 1996

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C37/14
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

An improved process for the continuous alkylation of phenol with olefins having 6 to 12 carbon atoms in the liquid phase and in the presence of strongly acid ion exchange resin catalysts mounted in a fixed bed. The phenol and olefins are passed in a first stage at temperatures from about 80.degree. to 120.degree. C. over an ion exchange resin catalyst having an exchange capacity of from 50 to 96 m Val per 100 ml of catalyst and then passed in a second stage at temperatures about 110.degree. to 130.degree. C. over another ion exchange resin catalyst having an exchange capacity of from 100 to 180 m Val per 100 ml of catalyst.

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