Patent Number: 6,307,097

Title: Method for producing aluminum salts of cyclic phosphinic acids

Abstract: A process for the preparation of aluminum salts of cyclic phosphinic acids is described, which comprises reacting cyclic phosphinic acids, such as 1-hydroxydihydrophosphole oxides or 1-hydroxyphospholane oxides, with aluminum hydroxide in the presence of water and in the absence of polar solvents at elevated temperature for a reaction time of from 1 to 20 hours.

Inventors: Seitz; Thomas (Heddesheim, DE)

Assignee: Ticona GmbH

International Classification: C07F 9/00 (20060101); C07F 9/6568 (20060101); C07F 009/30 ()

Expiration Date: 10/23/2018