Patents by Inventor David G. Simon

David G. Simon has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Polymerizing unsaturated halides with carbamate type metallic catalyst
    Patent number: 4129702
    Abstract: A process for the polymerization of vinyl halides and/or vinylidene halides which comprising contacting the vinyl halide and/or vinylidene halide in gaseous form with a catalyst composition comprising(a) at least one compound of a transition metal of Groups IVA to VIA of the Periodic Table of the Elements, as hereinbefore defined, and(b) at least one compound having the structure ##STR1## WHERE M is aluminum or zinc, n and m each is an integer not greater than one less than the valency of M, at least one of the groups R is a hydrocarbon group, R.sup.1 is hydrogen or a hydrocarbon group, and X is hydrogen or a monovalent organic group.
    Type: Grant
    Filed: July 18, 1974
    Date of Patent: December 12, 1978
    Assignee: Imperial Chemical Industries Limited
    Inventors: Philip D. Roberts, Geoffrey L. P. Randall, David G. Simon, Jeffrey Booth