Patent Number: 6,252,108

Title: Method for producing aluminium salts of cyclic phosphinic acid

Abstract: The invention relates to a method for producing aluminum salts of cyclic phopshinic acid. According to the invention, cyclic phosphinic acids, such as 1-hydroxydihydrophosphole oxide or 1-hydroxyphospholane oxide, are reacted with a basic aluminum acetate, such as hydroxyaluminum diacetate, in the presence of water and in the absence of polar solvents with heat for a reaction time of 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: 06/26/2018