Patents by Inventor Ernest A. Gudath

Ernest A. Gudath 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).

  • Defluorination kiln restriction control agent and method
    Patent number: 4716026
    Abstract: An improved process for the thermal defluorination of phosphate rock is provided. The process comprises adding ammonia to the phosphoric acid fed to the kiln, the amount of ammonia added being effective for forming a eutectic with the fused ring and ball materials and heating the mixture with agitation to defluorinating temperatures for a period of time sufficient to defluorinate the rock and recovering the defluorinated rock.
    Type: Grant
    Filed: January 22, 1986
    Date of Patent: December 29, 1987
    Assignee: International Minerals & Chemical Corp.
    Inventors: James R. Gruber, Ernest A. Gudath, Dennis H. Michalski, Robert R. Riddle, Regis R. Stana