Patents by Inventor Kenneth D. Campbell

Kenneth D. Campbell 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).

  • Patent number: 5026945
    Abstract: Perovskites of the structure A.sub.2 B.sub.2 C.sub.3 O.sub.10 are useful as catalysts for the oxidative coupling of lower alkane to heavier hydrocarbons. A is alkali metal; B is lanthanide or lanthanum, cerium, neodymium, samarium, praseodymium, gadolinium or dysprosium; and C is titanium.
    Type: Grant
    Filed: September 19, 1989
    Date of Patent: June 25, 1991
    Assignee: Union Carbide Chemicals and Plastics Technology Corporation
    Inventor: Kenneth D. Campbell
  • Patent number: 4988660
    Abstract: Alkali metal doped double perovskites containing manganese and at least one of cobalt, iron and nickel are useful in the oxidative coupling of alkane to higher hydrocarbons.
    Type: Grant
    Filed: June 25, 1990
    Date of Patent: January 29, 1991
    Assignee: Union Carbide Chemicals and Plastics Company Inc.
    Inventor: Kenneth D. Campbell
  • Patent number: 4982041
    Abstract: Alkali metal doped double perovskites containing manganese and at least one of cobalt, iron and nickel are useful in the oxidative coupling of alkane to higher hydrocarbons.
    Type: Grant
    Filed: January 10, 1990
    Date of Patent: January 1, 1991
    Assignee: Union Carbide Chemicals and Plastics Company Inc.
    Inventor: Kenneth D. Campbell