Patents Represented by Attorney Henry W. Millson, Jr.
  • Patent number: 4731460
    Abstract: Acylcyanamides are disclosed having the formula ##STR1## in which the symbol R represents a straight-chain or branched chain alkyl or alkenyl group having from about 5 to about 21 carbon atoms, which group may be substituted by OH--, O--CH.sub.2 --CH.sub.2 --OH-- and/or O--R'-- groups, where the symbol R' represents an alkyl group having from 1 to about 4 carbon atoms and wherein M is a manganese, iron, cobalt, nickel, zinc, cadmium, copper and/or lead.The compounds of the invention are useful as heat stabilizers for chlorine-containing polymers.
    Type: Grant
    Filed: June 24, 1986
    Date of Patent: March 15, 1988
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Christian Hase, Bernd Wegemund, Werner Erwied, Dieter Krampitz