Patents Assigned to Plumley and Tyner
  • Patent number: 4018809
    Abstract: The invention relates to a process for the production of solutions of substantially water-insoluble complex antimony compounds in polar organic solvents by esterifying an .alpha.-hydroxy polycarboxylic acid with a polyol, reacting an excess of the esterification product with an antimony oxide in a polar organic solvent and reacting the free carboxylic groups with a monoisocyanate.
    Type: Grant
    Filed: September 12, 1975
    Date of Patent: April 19, 1977
    Assignee: Plumley and Tyner
    Inventors: Eduard Radlmann, Heinz Schaffner, Gunter Lorenz, Gunther Nischk