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Phosphinic acid aluminum salts

  • US 6,211,402 B1
  • Filed: 02/16/1999
  • Issued: 04/03/2001
  • Est. Priority Date: 07/22/1996
  • Status: Expired due to Term
First Claim
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1. A process for the preparation of high temperature modification aluminum salts of phosphinic acids or diphosphinic acids, which comprises reacting esters of the corresponding phosphinic acids or diphosphinic acids with aluminum hyroxide under pressure at 150 to 350°

  • C. in the presence of water.

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