Patents Assigned to Ticona GmbH Deutschland KG
  • Alkyl-1-alkoxyethylphosphinous acid aluminum salts
    Patent number: 6229044
    Abstract: Aluminum salts of alky-(1-alkoxyethyl)phosphinic acids are prepared by reacting alky-(1-alkoxyethyl)phospihnic acids with aluminum hydroxide in a molar ratio of 3:1. The resulting aluminum phosphinates are used as flame retardants in thermoplastics, particularly in polyesters.
    Type: Grant
    Filed: November 17, 1999
    Date of Patent: May 8, 2001
    Assignee: Ticona GmbH Deutschland KG
    Inventors: Hans-Jerg Kleiner, Elke Jenewein, Wolfgang Wanzke