Patent Number: 6,169,209

Title: Preparation of organic phosphonium chloride

Abstract: An improved process for preparing an organic phosphonium chloride is performed by bringing an organic phosphonium bromide into contact with a chloride ion in a heterogeneous mixture solution of water and an organic solvent.

Inventors: Harada; Katsumasa (Yamaguchi, JP), Sugise; Ryoji (Yamaguchi, JP), Kashiwagi; Koichi (Yamaguchi, JP), Niida; Sadao (Yamaguchi, JP)

Assignee: Ube Industries, Ltd.

International Classification: C07F 9/00 (20060101); C07F 9/54 (20060101); C07F 009/54 ()

Expiration Date: 01/02/2018