Patent · US Expired

Process and manufacturing equipment for preparing acetals and ketals

US6806392B2 · kind B2 · utility

28Cited by

4References

21Claims

0Family size

Assignee

DSM IP ASSETS B.V. · NL

Inventors

Volkmar Boesch · Paisley, GB
Juan Ramon Herguijuela · Auggen, DE
Thomas Clavey · Eimeldingen, DE

Key dates

Filing date	Nov 7, 2002
Grant date	Oct 19, 2004
Priority date	—
Expiry date	Nov 7, 2022

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C41/58
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A process for the preparation of acetals and ketals by reacting an aldehyde or ketone with an alcohol in the presence of an acidic catalyst and removing water by pervaporation. Manufacturing equipment for the preparation of acetals and ketones is also provided.

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