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