Patents by Inventor Charles A. Johnson, III

Charles A. Johnson, III 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).

  • Process for removal of hydroxy- and/or mercapto-substituted hydrocarbons from coal liquids
    Patent number: 4382855
    Abstract: Removal of hydroxy-substituted and/or mercapto-substituted-hydrocarbons from coal liquids which comprises contacting the coal liquids with an aqueous composition containing an alkanolamine, thereby providing a two-phase mixture, and then separating the mixture into an aqueous extract phase and a naphtha rich raffinate phase.
    Type: Grant
    Filed: October 28, 1981
    Date of Patent: May 10, 1983
    Assignee: Ashland Oil, Inc.
    Inventors: Clifford Ward, Charles A. Johnson, III
  • Process for granulating ammonium phosphate containing fertilizers
    Patent number: 4154593
    Abstract: A process for granulating ammonium phosphate containing composition for use as a fertilizer which comprises feeding a slurry or melt of ammonium phosphate, wherein said slurry or melt is capable of further reaction with ammonia, into a kneading mill, feeding recycled particles from the subsequent classification and crushing procedure into said kneading mill, wherein the said slurry or melt added to the mill is from 5 to 95% wt.
    Type: Grant
    Filed: February 16, 1977
    Date of Patent: May 15, 1979
    Assignee: Mississippi Chemical Corporation
    Inventors: Marion L. Brown, Charles A. Johnson, III, Gerald L. Tucker