Patents by Inventor Thomas E. Cloete

Thomas E. Cloete 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).

  • Bacteriostatic and bacteriocidal method using fulvic acid derivatives
    Patent number: 5204368
    Abstract: The present invention relates to compounds of the class of coal-derived fulvic acid or a salt or a derivative thereof as active ingredient in a suitable carrier, useful as a bactericidal or bacteriostatic agent. The carrier is preferably water.
    Type: Grant
    Filed: May 7, 1991
    Date of Patent: April 20, 1993
    Assignee: National Energy Council
    Inventors: Izak J. Cronje, Thomas E. Cloete, Johannes Dekker, Hendrik Swart
  • Composition having bacteriocidal or bacteriostatic acitivity
    Patent number: 4999202
    Abstract: A composition which has bacteriocidal or bacteriostatic properties which comprises humic acid or a salt or a derivative thereof as active ingredient in a suitable carrier. The active ingredient is preferably an alkali metal salt of humic acid and the carrier is preferably water.
    Type: Grant
    Filed: February 10, 1989
    Date of Patent: March 12, 1991
    Assignee: National Energy Council
    Inventors: Izak J. Cronje, Thomas E. Cloete, Johannes Dekker
  • Water treatment using oxidized coal
    Patent number: 4985150
    Abstract: Oxidized coal is used to remove dissolved or suspended matter from aqueous mediums. It is particularly effective in removing metal ions dissolved in aqueous mediums and/or bacteria from aqueous mediums.
    Type: Grant
    Filed: April 18, 1989
    Date of Patent: January 15, 1991
    Assignee: National Energy Council
    Inventors: Izak J. Cronje, Johannes Dekker, Thomas E. Cloete