Patents by Inventor Joseph A. King, Jr.

Joseph A. King, Jr. 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).

  • Method for making organic carbonates
    Patent number: 5142086
    Abstract: A method for making diphenyl carbonate free of color bodies is provided by reacting an organic hydroxy compound, such as phenol with carbon monoxide and oxygen in the presence of an effective amount of a palladium catalyst, in the form of a palladium material which is used in combination with a quaternary ammonium salt, an inorganic cocatalyst, such as cobalt diacetate and an organic cocatalyst such as benzophenone or 1,10-phenanthroline. Recycling of catalyst values is also provided.
    Type: Grant
    Filed: April 1, 1991
    Date of Patent: August 25, 1992
    Assignee: General Electric Company
    Inventors: Joseph A. King, Jr., Terry E. Krafft, Gary R. Faler
  • Method for making organic carbonates
    Patent number: 5132447
    Abstract: A method is provided for making an organic carbonate such as, a diaryl carbonate by heating a mixture under elevated conditions of temperature and pressure comprising an arylhydroxy compound, such as phenol, carbon monoxide and oxygen in the presence of a palladium catalyst and carbon dioxide as a desiccant.
    Type: Grant
    Filed: July 1, 1991
    Date of Patent: July 21, 1992
    Assignee: General Electric Company
    Inventor: Joseph A. King, Jr.