Patents by Inventor James M. Wood, Jr.

James M. Wood, 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).

  • Patent number: 4066445
    Abstract: Magnesium metal is produced by the reaction of aluminum metal with a calcium magnesium aluminate slag or with magnesium oxide in the presence of such slag, wherein the silicon dioxide content of the slag is maintained at five weight percent or less. An excess of aluminum metal relative to the amount of magnesium oxide is employed thereby obtaining a high conversion of the magnesium oxide to magnesium metal.
    Type: Grant
    Filed: February 28, 1977
    Date of Patent: January 3, 1978
    Assignee: Ethyl Corporation
    Inventors: James D. Johnston, Robert N. Sanders, James M. Wood, Jr.
  • Patent number: 4033759
    Abstract: Magnesium metal is produced by the reaction of aluminum metal with a calcium magnesium aluminate slag or with magnesium oxide in the presence of such slag, wherein the silicon dioxide content of the slag is maintained at five weight percent or less.
    Type: Grant
    Filed: September 4, 1975
    Date of Patent: July 5, 1977
    Assignee: Ethyl Corporation
    Inventors: James D. Johnston, Robert N. Sanders, James M. Wood, Jr.
  • Patent number: 4033758
    Abstract: Magnesium metal is produced by the reaction of aluminum-silicon alloy with a calcium magnesium aluminate silicate slag or with magnesium oxide in the presence of such slag, at a temperature of about 1,400.degree.-1650.degree. C and a pressure of 25-500 millimeters of mercury.
    Type: Grant
    Filed: September 4, 1975
    Date of Patent: July 5, 1977
    Assignee: Ethyl Corporation
    Inventors: James D. Johnston, Robert N. Sanders, James M. Wood, Jr.