Patent · US Expired

Preparation of cyclic acetals or ketals

US5917059A · kind A · utility

42Cited by

1References

5Claims

0Family size

Assignee

BASF SE

Inventors

Bernd Bruchmann · Ludwigshafen, DE
Karl Haberle · Speyer, DE
Helmut Gruner · Schwarzheide, DE
Michael Hirn · Sandhausen, DE

Key dates

Filing date	Nov 13, 1997
Grant date	Jun 29, 1999
Priority date	—
Expiry date	Nov 13, 2017

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D317/20
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Cyclic acetals or ketals are prepared by reacting a polyol with the appropriate aldehydes or ketones, with part of the aldehyde or ketone being distilled out during the reaction.

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