Patents by Inventor Aileen E. Alvarado-Swaisgood

Aileen E. Alvarado-Swaisgood 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).

  • Catalysts for the oxidative conversion of methane to higher hydrocarbons
    Patent number: 5024984
    Abstract: An oxidative coupling catalyst composition for converting methane to a higher hydrocarbon comprising a mixed oxide of: a) a Group IIIB metal selected from the group consisting of yttrium, scandium and lanthanum; b) a Group IIA metal selected from the group consisting of barium, calcium and strontium; and c) a Group IVA metal selected from the group consisting of tin, lead and germanium and wherein the cationic species are present in the approximate ratio of 1:0.5-3:2-4, respectively, and an improved process employing same.
    Type: Grant
    Filed: July 19, 1989
    Date of Patent: June 18, 1991
    Assignee: Amoco Corporation
    Inventors: Mark P. Kaminsky, Mark S. Kleefisch, George A. Huff, Don M. Washecheck, Aileen E. Alvarado-Swaisgood, Mark K. Barr
  • Catalysts for the oxidative conversion of methane to higher hydrocarbons
    Patent number: 4939311
    Abstract: An oxidative coupling catalyst composition for converting methane to a higher hydrocarbon comprising a mixed oxide of: (a) a Group IIIB metal selected from the grouup consisting of yttrium, scandium and lanthanum; (b) a Group IIA metal selected from the group consisting of barium, calcium and strontium; and (c) a Group IVA metal selected from the group consisting of tin, lead and germanium and approximate ratio of 1:0.5-3:2-4, and an improved process employing same.
    Type: Grant
    Filed: August 17, 1988
    Date of Patent: July 3, 1990
    Assignee: Amoco Corporation
    Inventors: Don M. Washecheck, Aileen E. Alvarado-Swaisgood, Mark P. Kaminsky, Mark S. Kleefisch, George A. Huff, Jr.