Patent · US Expired

Preparation of benzaldehyde dialkyl acetals

US4539081A · kind A · utility

7Cited by

0References

6Claims

0Family size

Assignee

BASF SE

Inventors

Dieter Degner · Schifferstadt, DE
Heinz Hannebaum · Ludwigshafen, DE
Hardo Siegel · Speyer, DE
Walter Gramlich · Edingen-Neckarhausen, DE

Key dates

Filing date	Jun 21, 1984
Grant date	Sep 3, 1985
Priority date	—
Expiry date	Jun 21, 2004

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC25B3/23
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

Benzaldehyde dialkyl acetals of the formula ##STR1## wherein R.sup.1 and R.sup.2 are each alkyl, are prepared by electrochemical oxidation of an alkyltoluene of the formula ##STR2## by a process in which the electrolyte used contains from 60 to 90% by weight of an alkanol of the formula R.sup.2 OH, from 8.5 to 40% by weight of the alkyltoluene and from 0.01 to 1.5% by weight of an HO.sub.3 S-containing acid.

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