Patents Represented by Attorney David G. McConell

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  • Phosphinyl guanidine derivatives
    Patent number: 4006203
    Abstract: The following new compounds were prepared from cyanoguanidine or guanylurea as potential flame retardants for cellulosic textiles -2-cyano-1-[bis-(dimethylamino)phosphinyl]guanidine, 2-cyano-1-(diethoxyphosphinyl)guanidine, and 2-carbamoyl-1-(diethoxyphosphinyl) guanidine. The successful phosphorylation of guanylurea required use of a dry, aprotic solvent.
    Type: Grant
    Filed: March 15, 1976
    Date of Patent: February 1, 1977
    Assignee: The United States of America as represented by the Secretary of Agriculture
    Inventors: Leon H. Chance, Cletus E. Morris