Patent · US Expired

Process for the separation of butanol and butoxyacetaldehyde

US4986885A · kind A · utility

5Cited by

3References

12Claims

0Family size

Assignee

Hoechst GmbH · DE

Inventors

Robert K. Driscoll · Frankfurt am Main, DE
Ingo Leupold · Neu-Anspach, DE
Karl-Heinz Schonwalder · Kelkheim, DE

Key dates

Filing date	Mar 29, 1989
Grant date	Jan 22, 1991
Priority date	—
Expiry date	Mar 29, 2009

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C45/84
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

A process for the separation of butanol and butoxyacetaldehyde which involves subjecting a composition which contains these two compounds to a distillation at a pressure of at most 660 mbar. According to a special embodiment the composition to be distilled contains as essential components water, butanol, butoxyacetaldehyde, butylglycol and, if desired, also butyraldehyde.

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