Patents Assigned to Baerlocher GmbH
  • Basic calcium aluminum hydroxide dicarboxylates, a process for their production and their use
    Patent number: 5241094
    Abstract: The invention describes basic calcium aluminum hydroxide dicarboxylates of the general formulaCa.sub.x Al.sub.2 (OH).sub.2(x+2) A . m H.sub.2 Owhereinx means 2-8,m means 0-12 andA means an aliphatic, aromatic or heteroaromatic dicarboxylic acid anion or combinations thereofand a process for their production.The compounds according to the invention are especially suited as stabilizers for halogen-containing, thermoplastic resins, in particular PVC.
    Type: Grant
    Filed: July 21, 1992
    Date of Patent: August 31, 1993
    Assignee: Baerlocher GmbH
    Inventors: Coriolan Razvan, Reinhard Beck, Alfred Kuerzinger, Albert W. Puerzer, Michael Rosenthal