Patents by Inventor Willie W. Crouch

Willie W. Crouch 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).

  • Preparation of unsaturated nitriles
    Patent number: 4218394
    Abstract: An olefinically unsaturated nitrile, an olefinic hydrocarbon containing an allylic hydrogen and a monoadduct reaction product of an olefinic hydrocarbon and an olefinically unsaturated nitrile are contacted in a tubular reactor in the presence of a diluent to produce unsaturated dinitriles.
    Type: Grant
    Filed: April 24, 1979
    Date of Patent: August 19, 1980
    Assignee: Phillips Petroleum Company
    Inventors: Charles A. Drake, Willie W. Crouch
  • Production of branched arylene sulfide polymers
    Patent number: 4038261
    Abstract: A method is provided for producing branched arylene sulfide polymers by contacting at least one p-dihalobenzene, at least one polyhalo aromatic compound having more than two halogen substituents per molecule, at least one alkali metal sulfide, at least one lithium carboxylate or lithium chloride, N-methyl-2-pyrrolidone, and at least one alkali metal hydroxide. The use of the polyhalo aromatic compound, which is employed in minor amounts, results in a polymer of reduced melt flow, which, without prior curing, can be molded, extruded, or spun into fibers.
    Type: Grant
    Filed: May 27, 1975
    Date of Patent: July 26, 1977
    Assignee: Phillips Petroleum Company
    Inventors: Willie W. Crouch, James T. Edmonds, Jr.