Patents by Inventor George William Parshall

George William Parshall 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).

  • Carbon dioxide complexes of Rh, Ir, Ni, Pd, and Pt
    Patent number: 3954821
    Abstract: Complexes of certain transition metals and phosphine or arsine ligands with carbon dioxide, e.g., (carbon dioxide)bis[1,2-ethanediyl-bis[dimethylphosphine]-P,P']iridium(1+), chloride, useful as catalysts in hydrogenation and isomerization, e.g., of 1-butene, are prepared by direct addition of pressurized CO.sub.2 to the appropriate metal complex precursor, e.g.,(Ir[(CH.sub.3).sub.2 PCH.sub.2 CH.sub.2 P(CH.sub.3).sub.2 ].sub.2).sup.+Cl.sup.-.
    Type: Grant
    Filed: June 30, 1975
    Date of Patent: May 4, 1976
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Thomas Herskovitz, George William Parshall