Patent · US Expired

Process for the purification of crude .beta.-phenylethyl alcohol

US4664755A · kind A · utility

4Cited by

4References

9Claims

0Family size

Assignee

Haarman & Reimer GmbH · DE

Inventors

Jurgen Nienhaus · Holzminden, DE
Rudolf Hopp · Holzminden, DE

Key dates

Filing date	Nov 27, 1985
Grant date	May 12, 1987
Priority date	—
Expiry date	Nov 27, 2005

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S203/13
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Process for the purification of crude .beta.-phenylethyl alcohol by azeotropic distillation in the presence of alkanolamines in which the alkylene chain contains 2 to 4 carbon atoms and is optionally substituted by 1 to 4 C.sub.1 -C.sub.3 -alkyl groups.

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