Preparation of cyclic acetals or ketals (US Patent 5917059)

Patent number: 5917059 Granted: 1999-06-29 Filed: 1997-11-13 Inventors: Bernd Bruchmann (Freinsheim, DE); Karl Haberle (Speyer, DE); Helmut Gruner (Schwarzheide, DE); Michael Hirn (Mannheim, DE) Assignees: BASF Aktiengesellschaft (Ludwigshafen, DE)

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.

Claims

1. A process for preparing cyclic acetals or ketals by reacting a polyol with an